22663251421010 has 48 divisors (see below), whose sum is σ = 43339654328904. Its totient is φ = 8531061547008.

The previous prime is 22663251421009. The next prime is 22663251421037. The reversal of 22663251421010 is 1012415236622.

It can be written as a sum of positive squares in 12 ways, for example, as 1543684487401 + 21119566933609 = 1242451^2 + 4595603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24801152 + ... + 25698708.

Almost surely, 2^{22663251421010} is an apocalyptic number.

22663251421010 is a deficient number, since it is larger than the sum of its proper divisors (20676402907894).

22663251421010 is a wasteful number, since it uses less digits than its factorization.

22663251421010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906335 (or 906318 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 22663251421010 its reverse (1012415236622), we get a palindrome (23675666657632).

The spelling of 22663251421010 in words is "twenty-two trillion, six hundred sixty-three billion, two hundred fifty-one million, four hundred twenty-one thousand, ten".