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22442314220 = 2253136197281
BaseRepresentation
bin10100111001101010…
…101000100111101100
32010221001011200111222
4110321222220213230
5331430213023340
614150532402512
71423066344344
oct247152504754
963831150458
1022442314220
119577112927
124423a76438
13216868a591
14112c7dbd24
158b539e8b5
hex539aa89ec

22442314220 has 24 divisors (see below), whose sum is σ = 48649147008. Its totient is φ = 8687347200.

The previous prime is 22442314217. The next prime is 22442314249. The reversal of 22442314220 is 2241324422.

It is a self number, because there is not a number n which added to its sum of digits gives 22442314220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18098021 + ... + 18099260.

It is an arithmetic number, because the mean of its divisors is an integer number (2027047792).

Almost surely, 222442314220 is an apocalyptic number.

22442314220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442314220 is an abundant number, since it is smaller than the sum of its proper divisors (26206832788).

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

22442314220 is a wasteful number, since it uses less digits than its factorization.

22442314220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36197321 (or 36197319 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22442314220 its reverse (2241324422), we get a palindrome (24683638642).

The spelling of 22442314220 in words is "twenty-two billion, four hundred forty-two million, three hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 36197281 72394562 144789124 180986405 361972810 723945620 1122115711 2244231422 4488462844 5610578555 11221157110 22442314220