3722400585 has 12 divisors (see below), whose sum is σ = 6452161092. Its totient is φ = 1985280288.

The previous prime is 3722400557. The next prime is 3722400587. The reversal of 3722400585 is 5850042273.

3722400585 is a `hidden beast` number, since 3 + 72 + 2 + 4 + 0 + 0 + 585 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 621804096 + 3100596489 = 24936^2 + 55683^2 .

It is not a de Polignac number, because 3722400585 - 2¹⁹ = 3721876297 is a prime.

It is a super-2 number, since 2×3722400585² = 27712532230416684450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3722400587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41359962 + ... + 41360051.

It is an arithmetic number, because the mean of its divisors is an integer number (537680091).

Almost surely, 2^3722400585 is an apocalyptic number.

It is an amenable number.

3722400585 is a deficient number, since it is larger than the sum of its proper divisors (2729760507).

3722400585 is a wasteful number, since it uses less digits than its factorization.

3722400585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82720024 (or 82720021 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 3722400585 is about 61011.4791248335. The cubic root of 3722400585 is about 1549.7954062249.

The spelling of 3722400585 in words is "three billion, seven hundred twenty-two million, four hundred thousand, five hundred eighty-five".