3752221995 has 32 divisors (see below), whose sum is σ = 6731841600. Its totient is φ = 1982817792.

The previous prime is 3752221937. The next prime is 3752222003. The reversal of 3752221995 is 5991222573.

3752221995 is a `hidden beast` number, since 37 + 522 + 2 + 1 + 9 + 95 = 666.

It is not a de Polignac number, because 3752221995 - 2¹⁹ = 3751697707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3752221995.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112782 + ... + 142211.

It is an arithmetic number, because the mean of its divisors is an integer number (210370050).

Almost surely, 2^3752221995 is an apocalyptic number.

3752221995 is a deficient number, since it is larger than the sum of its proper divisors (2979619605).

3752221995 is a wasteful number, since it uses less digits than its factorization.

3752221995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255116 (or 255110 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 3752221995 is about 61255.3833960739. The cubic root of 3752221995 is about 1553.9230481715.

The spelling of 3752221995 in words is "three billion, seven hundred fifty-two million, two hundred twenty-one thousand, nine hundred ninety-five".