22764936 has 32 divisors (see below), whose sum is σ = 57087360. Its totient is φ = 7564992.

The previous prime is 22764923. The next prime is 22764949. The reversal of 22764936 is 63946722.

It is an interprime number because it is at equal distance from previous prime (22764923) and next prime (22764949).

It is a super-2 number, since 2×22764936² = 1036484622168192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22764894 and 22764903.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7681 + ... + 10223.

It is an arithmetic number, because the mean of its divisors is an integer number (1783980).

Almost surely, 2^22764936 is an apocalyptic number.

It is an amenable number.

22764936 is an abundant number, since it is smaller than the sum of its proper divisors (34322424).

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

22764936 is a wasteful number, since it uses less digits than its factorization.

22764936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925 (or 2921 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 22764936 is about 4771.2614684169. The cubic root of 22764936 is about 283.4145514185.

The spelling of 22764936 in words is "twenty-two million, seven hundred sixty-four thousand, nine hundred thirty-six".