22252510 has 32 divisors (see below), whose sum is σ = 46126080. Its totient is φ = 7571232.

The previous prime is 22252493. The next prime is 22252511. The reversal of 22252510 is 1525222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8587 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^22252510 is an apocalyptic number.

22252510 is an abundant number, since it is smaller than the sum of its proper divisors (23873570).

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

22252510 is a wasteful number, since it uses less digits than its factorization.

22252510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

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

The square root of 22252510 is about 4717.2566179931. The cubic root of 22252510 is about 281.2718922876.

Adding to 22252510 its reverse (1525222), we get a palindrome (23777732).

The spelling of 22252510 in words is "twenty-two million, two hundred fifty-two thousand, five hundred ten".