22737136 has 20 divisors (see below), whose sum is σ = 45475264. Its totient is φ = 11001600.

The previous prime is 22737107. The next prime is 22737151. The reversal of 22737136 is 63173722.

22737136 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 22737098 and 22737107.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22425 + ... + 23416.

Almost surely, 2^22737136 is an apocalyptic number.

It is an amenable number.

22737136 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22737136 is a wasteful number, since it uses less digits than its factorization.

22737136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45880 (or 45874 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 22737136 is about 4768.3473027874. The cubic root of 22737136 is about 283.2991380492.

It can be divided in two parts, 2273 and 7136, that added together give a square (9409 = 97²).

The spelling of 22737136 in words is "twenty-two million, seven hundred thirty-seven thousand, one hundred thirty-six".