3906772225 has 12 divisors (see below), whose sum is σ = 4879253680. Its totient is φ = 3102930000.

The previous prime is 3906772217. The next prime is 3906772319. The reversal of 3906772225 is 5222776093.

It is not a de Polignac number, because 3906772225 - 2³ = 3906772217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558651 + ... + 565600.

Almost surely, 2^3906772225 is an apocalyptic number.

It is an amenable number.

3906772225 is a deficient number, since it is larger than the sum of its proper divisors (972481455).

3906772225 is a wasteful number, since it uses less digits than its factorization.

3906772225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124400 (or 1124395 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 3906772225 is about 62504.1776603772. The cubic root of 3906772225 is about 1574.9714918834.

The spelling of 3906772225 in words is "three billion, nine hundred six million, seven hundred seventy-two thousand, two hundred twenty-five".