22500016252 has 12 divisors (see below), whose sum is σ = 45000032560. Its totient is φ = 9642864096.

The previous prime is 22500016247. The next prime is 22500016261. The reversal of 22500016252 is 25261000522.

It is a happy number.

22500016252 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401785977 + ... + 401786032.

Almost surely, 2^22500016252 is an apocalyptic number.

It is an amenable number.

22500016252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22500016252 is a wasteful number, since it uses less digits than its factorization.

22500016252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803572020 (or 803572018 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 22500016252 its reverse (25261000522), we get a palindrome (47761016774).

The spelling of 22500016252 in words is "twenty-two billion, five hundred million, sixteen thousand, two hundred fifty-two".