3722242815 has 20 divisors (see below), whose sum is σ = 6672465624. Its totient is φ = 1985195952.

The previous prime is 3722242787. The next prime is 3722242859. The reversal of 3722242815 is 5182422273.

3722242815 is a `hidden beast` number, since 3 + 7 + 222 + 428 + 1 + 5 = 666.

It is not a de Polignac number, because 3722242815 - 2¹⁸ = 3721980671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3722242815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4594957 + ... + 4595766.

Almost surely, 2^3722242815 is an apocalyptic number.

3722242815 is a deficient number, since it is larger than the sum of its proper divisors (2950222809).

3722242815 is an equidigital number, since it uses as much as digits as its factorization.

3722242815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190740 (or 9190731 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 3722242815 is about 61010.1861577229. The cubic root of 3722242815 is about 1549.7735104375.

The spelling of 3722242815 in words is "three billion, seven hundred twenty-two million, two hundred forty-two thousand, eight hundred fifteen".