25224242252 has 72 divisors (see below), whose sum is σ = 51554579328. Its totient is φ = 10753262080.

The previous prime is 25224242231. The next prime is 25224242257.

25224242252 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25224242257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2405573 + ... + 2416035.

It is an arithmetic number, because the mean of its divisors is an integer number (716035824).

Almost surely, 2^25224242252 is an apocalyptic number.

25224242252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25224242252 is an abundant number, since it is smaller than the sum of its proper divisors (26330337076).

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

25224242252 is a wasteful number, since it uses less digits than its factorization.

25224242252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10799 (or 10786 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The spelling of 25224242252 in words is "twenty-five billion, two hundred twenty-four million, two hundred forty-two thousand, two hundred fifty-two".