3720022156 has 12 divisors (see below), whose sum is σ = 6515051760. Its totient is φ = 1858578800.

The previous prime is 3720022147. The next prime is 3720022177. The reversal of 3720022156 is 6512200273.

3720022156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3720022156² = 27677129682261776672, which contains 22 as substring.

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, 352216 + ... + 362623.

It is an arithmetic number, because the mean of its divisors is an integer number (542920980).

Almost surely, 2^3720022156 is an apocalyptic number.

It is an amenable number.

3720022156 is a deficient number, since it is larger than the sum of its proper divisors (2795029604).

3720022156 is a wasteful number, since it uses less digits than its factorization.

3720022156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716144 (or 716142 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3720022156 is about 60991.9843586024. The cubic root of 3720022156 is about 1549.4652551475.

The spelling of 3720022156 in words is "three billion, seven hundred twenty million, twenty-two thousand, one hundred fifty-six".