22012303236 has 48 divisors (see below), whose sum is σ = 64035793920. Its totient is φ = 5717481120.

The previous prime is 22012303223. The next prime is 22012303241. The reversal of 22012303236 is 63230321022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11910496 + ... + 11912343.

It is an arithmetic number, because the mean of its divisors is an integer number (1334079040).

Almost surely, 2^22012303236 is an apocalyptic number.

It is an amenable number.

22012303236 is an abundant number, since it is smaller than the sum of its proper divisors (42023490684).

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

22012303236 is a wasteful number, since it uses less digits than its factorization.

22012303236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23822864 (or 23822862 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22012303236 its reverse (63230321022), we get a palindrome (85242624258).

The spelling of 22012303236 in words is "twenty-two billion, twelve million, three hundred three thousand, two hundred thirty-six".