22649960 has 32 divisors (see below), whose sum is σ = 51114240. Its totient is φ = 9033024.

The previous prime is 22649959. The next prime is 22649969. The reversal of 22649960 is 6994622.

It is not an unprimeable number, because it can be changed into a prime (22649969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17909 + ... + 19131.

It is an arithmetic number, because the mean of its divisors is an integer number (1597320).

Almost surely, 2^22649960 is an apocalyptic number.

22649960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22649960 is an abundant number, since it is smaller than the sum of its proper divisors (28464280).

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

22649960 is a wasteful number, since it uses less digits than its factorization.

22649960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 22649960 is about 4759.1974113289. The cubic root of 22649960 is about 282.9366104741.

The spelling of 22649960 in words is "twenty-two million, six hundred forty-nine thousand, nine hundred sixty".