15562274002 has 16 divisors (see below), whose sum is σ = 26343662400. Its totient is φ = 6829837840.

The previous prime is 15562273949. The next prime is 15562274027. The reversal of 15562274002 is 20047226551.

It is a super-2 number, since 2×15562274002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12195502 + ... + 12196777.

It is an arithmetic number, because the mean of its divisors is an integer number (1646478900).

Almost surely, 2^15562274002 is an apocalyptic number.

15562274002 is a deficient number, since it is larger than the sum of its proper divisors (10781388398).

15562274002 is a wasteful number, since it uses less digits than its factorization.

15562274002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24392321.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 15562274002 in words is "fifteen billion, five hundred sixty-two million, two hundred seventy-four thousand, two".