3722566512 has 80 divisors (see below), whose sum is σ = 11197854720. Its totient is φ = 1043517696.

The previous prime is 3722566501. The next prime is 3722566531. The reversal of 3722566512 is 2156652273.

It is a happy number.

It is a super-2 number, since 2×3722566512² = 27715002872527692288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86712 + ... + 122327.

It is an arithmetic number, because the mean of its divisors is an integer number (139973184).

Almost surely, 2^3722566512 is an apocalyptic number.

It is an amenable number.

3722566512 is an abundant number, since it is smaller than the sum of its proper divisors (7475288208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3722566512 is a wasteful number, since it uses less digits than its factorization.

3722566512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209110 (or 209104 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 3722566512 is about 61012.8389111669. The cubic root of 3722566512 is about 1549.8184333974.

The spelling of 3722566512 in words is "three billion, seven hundred twenty-two million, five hundred sixty-six thousand, five hundred twelve".