22280472081508 has 12 divisors (see below), whose sum is σ = 38992178174320. Its totient is φ = 11139849745992.

The previous prime is 22280472081409. The next prime is 22280472081533. The reversal of 22280472081508 is 80518027408222.

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, 96443898 + ... + 96674641.

Almost surely, 2^{22280472081508} is an apocalyptic number.

It is an amenable number.

22280472081508 is a deficient number, since it is larger than the sum of its proper divisors (16711706092812).

22280472081508 is a wasteful number, since it uses less digits than its factorization.

22280472081508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193147386 (or 193147384 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 49.

The spelling of 22280472081508 in words is "twenty-two trillion, two hundred eighty billion, four hundred seventy-two million, eighty-one thousand, five hundred eight".