22510252 has 12 divisors (see below), whose sum is σ = 39512200. Its totient is φ = 11221056.

The previous prime is 22510249. The next prime is 22510253. The reversal of 22510252 is 25201522.

It is a super-2 number, since 2×22510252² = 1013422890207008, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (22510253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7002 + ... + 9697.

Almost surely, 2^22510252 is an apocalyptic number.

It is an amenable number.

22510252 is a deficient number, since it is larger than the sum of its proper divisors (17001948).

22510252 is a wasteful number, since it uses less digits than its factorization.

22510252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040 (or 17038 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22510252 is about 4744.4970228677. The cubic root of 22510252 is about 282.3536799375.

Adding to 22510252 its reverse (25201522), we get a palindrome (47711774).

The spelling of 22510252 in words is "twenty-two million, five hundred ten thousand, two hundred fifty-two".