22649136 has 40 divisors (see below), whose sum is σ = 58709040. Its totient is φ = 7524096.

The previous prime is 22649131. The next prime is 22649173. The reversal of 22649136 is 63194622.

It is a junction number, because it is equal to n+sod(n) for n = 22649097 and 22649106.

It is not an unprimeable number, because it can be changed into a prime (22649131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18066 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (1467726).

Almost surely, 2^22649136 is an apocalyptic number.

It is an amenable number.

22649136 is an abundant number, since it is smaller than the sum of its proper divisors (36059904).

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

22649136 is a wasteful number, since it uses less digits than its factorization.

22649136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1607 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 22649136 is about 4759.1108413232. The cubic root of 22649136 is about 282.9331793776.

The spelling of 22649136 in words is "twenty-two million, six hundred forty-nine thousand, one hundred thirty-six".