22102355236 has 24 divisors (see below), whose sum is σ = 41658921920. Its totient is φ = 10199989152.

The previous prime is 22102355213. The next prime is 22102355243. The reversal of 22102355236 is 63255320122.

It is a junction number, because it is equal to n+sod(n) for n = 22102355198 and 22102355207.

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, 657895 + ... + 690673.

Almost surely, 2^22102355236 is an apocalyptic number.

22102355236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22102355236 is a deficient number, since it is larger than the sum of its proper divisors (19556566684).

22102355236 is a wasteful number, since it uses less digits than its factorization.

22102355236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45763 (or 45761 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 22102355236 its reverse (63255320122), we get a palindrome (85357675358).

The spelling of 22102355236 in words is "twenty-two billion, one hundred two million, three hundred fifty-five thousand, two hundred thirty-six".