22649252 has 6 divisors (see below), whose sum is σ = 39636198. Its totient is φ = 11324624.

The previous prime is 22649243. The next prime is 22649257. The reversal of 22649252 is 25294622.

It can be written as a sum of positive squares in only one way, i.e., 21381376 + 1267876 = 4624^2 + 1126^2 .

It is not an unprimeable number, because it can be changed into a prime (22649257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831153 + ... + 2831160.

It is an arithmetic number, because the mean of its divisors is an integer number (6606033).

Almost surely, 2^22649252 is an apocalyptic number.

It is an amenable number.

22649252 is a deficient number, since it is larger than the sum of its proper divisors (16986946).

22649252 is a wasteful number, since it uses less digits than its factorization.

22649252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662317 (or 5662315 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 22649252 is about 4759.1230284581. The cubic root of 22649252 is about 282.9336624011.

The spelling of 22649252 in words is "twenty-two million, six hundred forty-nine thousand, two hundred fifty-two".