22428380272 has 10 divisors (see below), whose sum is σ = 43454986808. Its totient is φ = 11214190128.

The previous prime is 22428380269. The next prime is 22428380291. The reversal of 22428380272 is 27208382422.

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, 700886868 + ... + 700886899.

Almost surely, 2^22428380272 is an apocalyptic number.

It is an amenable number.

22428380272 is a deficient number, since it is larger than the sum of its proper divisors (21026606536).

22428380272 is a wasteful number, since it uses less digits than its factorization.

22428380272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401773775 (or 1401773769 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 22428380272 in words is "twenty-two billion, four hundred twenty-eight million, three hundred eighty thousand, two hundred seventy-two".