3215417772 has 48 divisors (see below), whose sum is σ = 8612271360. Its totient is φ = 914638272.

The previous prime is 3215417767. The next prime is 3215417773. The reversal of 3215417772 is 2777145123.

It is a super-2 number, since 2×3215417772² = 20677822896986887968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3215417772.

It is not an unprimeable number, because it can be changed into a prime (3215417773) by changing a digit.

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, 65247 + ... + 103382.

It is an arithmetic number, because the mean of its divisors is an integer number (179422320).

Almost surely, 2^3215417772 is an apocalyptic number.

It is an amenable number.

3215417772 is an abundant number, since it is smaller than the sum of its proper divisors (5396853588).

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

3215417772 is a wasteful number, since it uses less digits than its factorization.

3215417772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168870 (or 168868 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 3215417772 is about 56704.6538830809. The cubic root of 3215417772 is about 1475.9754569549.

The spelling of 3215417772 in words is "three billion, two hundred fifteen million, four hundred seventeen thousand, seven hundred seventy-two".