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2222002001970 = 232550957184947
BaseRepresentation
bin100000010101011001101…
…000111101100000110010
321212102101010210001010100
4200111121220331200302
5242401130003030340
64420435034213230
7316351165246302
oct40253150754062
97772333701110
102222002001970
11787389225793
122ba77bb84216
131316c2c5680a
147978cab3602
153cbecd28830
hex20559a3d832

2222002001970 has 96 divisors (see below), whose sum is σ = 5798761151040. Its totient is φ = 590327130240.

The previous prime is 2222002001963. The next prime is 2222002001971. The reversal of 2222002001970 is 791002002222.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2222002001971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26115037 + ... + 26199983.

It is an arithmetic number, because the mean of its divisors is an integer number (60403761990).

Almost surely, 22222002001970 is an apocalyptic number.

2222002001970 is an abundant number, since it is smaller than the sum of its proper divisors (3576759149070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222002001970 is a wasteful number, since it uses less digits than its factorization.

2222002001970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86040 (or 86037 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 2222002001970 in words is "two trillion, two hundred twenty-two billion, two million, one thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 509 571 1018 1142 1527 1713 2545 2855 3054 3426 4581 5090 5139 5710 7635 8565 9162 10278 15270 17130 22905 25695 45810 51390 84947 169894 254841 290639 424735 509682 581278 764523 849470 871917 1274205 1453195 1529046 1743834 2548410 2615751 2906390 3822615 4359585 5231502 7645230 8719170 13078755 26157510 43238023 48504737 86476046 97009474 129714069 145514211 216190115 242523685 259428138 291028422 389142207 432380230 436542633 485047370 648570345 727571055 778284414 873085266 1297140690 1455142110 1945711035 2182713165 3891422070 4365426330 24688911133 49377822266 74066733399 123444555665 148133466798 222200200197 246889111330 370333666995 444400400394 740667333990 1111001000985 2222002001970