22430409172 has 6 divisors (see below), whose sum is σ = 39253216058. Its totient is φ = 11215204584.

The previous prime is 22430409149. The next prime is 22430409269. The reversal of 22430409172 is 27190403422.

It can be written as a sum of positive squares in only one way, i.e., 22429255696 + 1153476 = 149764^2 + 1074^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803801143 + ... + 2803801150.

Almost surely, 2^22430409172 is an apocalyptic number.

It is an amenable number.

22430409172 is a deficient number, since it is larger than the sum of its proper divisors (16822806886).

22430409172 is a wasteful number, since it uses less digits than its factorization.

22430409172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607602297 (or 5607602295 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 22430409172 in words is "twenty-two billion, four hundred thirty million, four hundred nine thousand, one hundred seventy-two".