22430421523564 has 12 divisors (see below), whose sum is σ = 39790953251224. Its totient is φ = 11061577737504.

The previous prime is 22430421523501. The next prime is 22430421523571. The reversal of 22430421523564 is 46532512403422.

It is a self number, because there is not a number n which added to its sum of digits gives 22430421523564.

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, 38408255742 + ... + 38408256325.

Almost surely, 2^{22430421523564} is an apocalyptic number.

It is an amenable number.

22430421523564 is a deficient number, since it is larger than the sum of its proper divisors (17360531727660).

22430421523564 is a wasteful number, since it uses less digits than its factorization.

22430421523564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76816512144 (or 76816512142 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 22430421523564 its reverse (46532512403422), we get a palindrome (68962933926986).

The spelling of 22430421523564 in words is "twenty-two trillion, four hundred thirty billion, four hundred twenty-one million, five hundred twenty-three thousand, five hundred sixty-four".