4172772331 has 40 divisors (see below), whose sum is σ = 5366043760. Its totient is φ = 3223717056.

The previous prime is 4172772323. The next prime is 4172772367. The reversal of 4172772331 is 1332772714.

It is not a de Polignac number, because 4172772331 - 2³ = 4172772323 is a prime.

It is a super-2 number, since 2×4172772331² = 34824057852718347122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4172772301) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1340605 + ... + 1343713.

It is an arithmetic number, because the mean of its divisors is an integer number (134151094).

Almost surely, 2^4172772331 is an apocalyptic number.

4172772331 is a deficient number, since it is larger than the sum of its proper divisors (1193271429).

4172772331 is an equidigital number, since it uses as much as digits as its factorization.

4172772331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193 (or 3172 counting only the distinct ones).

The product of its digits is 49392, while the sum is 37.

The square root of 4172772331 is about 64596.9993962568. Note that the first 3 decimals coincide. The cubic root of 4172772331 is about 1609.9345846137.

The spelling of 4172772331 in words is "four billion, one hundred seventy-two million, seven hundred seventy-two thousand, three hundred thirty-one".