3906222075 has 72 divisors (see below), whose sum is σ = 8006133408. Its totient is φ = 1783434240.

The previous prime is 3906222049. The next prime is 3906222091. The reversal of 3906222075 is 5702226093.

3906222075 is a `hidden beast` number, since 3 + 9 + 0 + 622 + 20 + 7 + 5 = 666.

It is not a de Polignac number, because 3906222075 - 2⁷ = 3906221947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2445177 + ... + 2446773.

Almost surely, 2^3906222075 is an apocalyptic number.

3906222075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3906222075 is an abundant number, since it is smaller than the sum of its proper divisors (4099911333).

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

3906222075 is a wasteful number, since it uses less digits than its factorization.

3906222075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 3906222075 is about 62499.7765996007. The cubic root of 3906222075 is about 1574.8975594748.

The spelling of 3906222075 in words is "three billion, nine hundred six million, two hundred twenty-two thousand, seventy-five".