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22320022220 = 2256726576269
BaseRepresentation
bin10100110010011000…
…001000001011001100
32010121112001121102122
4110302120020023030
5331202411202340
614130443312112
71420053026036
oct246230101314
963545047378
1022320022220
119514086061
1243aab1b638
132149240352
14111a486c56
158a9794db5
hex5326082cc

22320022220 has 48 divisors (see below), whose sum is σ = 47597124960. Its totient is φ = 8790042624.

The previous prime is 22320022201. The next prime is 22320022229. The reversal of 22320022220 is 2222002322.

It is a super-3 number, since 3×223200222203 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22320022229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3557246 + ... + 3563514.

It is an arithmetic number, because the mean of its divisors is an integer number (991606770).

Almost surely, 222320022220 is an apocalyptic number.

22320022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22320022220 is an abundant number, since it is smaller than the sum of its proper divisors (25277102740).

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

22320022220 is a wasteful number, since it uses less digits than its factorization.

22320022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002 (or 9000 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 22320022220 its reverse (2222002322), we get a palindrome (24542024542).

The spelling of 22320022220 in words is "twenty-two billion, three hundred twenty million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 2657 5314 6269 10628 12538 13285 25076 26570 31345 53140 62690 125380 178019 356038 420023 712076 840046 890095 1680092 1780190 2100115 3560380 4200230 8400460 16656733 33313466 66626932 83283665 166567330 333134660 1116001111 2232002222 4464004444 5580005555 11160011110 22320022220