52220715 has 16 divisors (see below), whose sum is σ = 83655936. Its totient is φ = 27816800.

The previous prime is 52220657. The next prime is 52220717. The reversal of 52220715 is 51702225.

It is not a de Polignac number, because 52220715 - 2⁷ = 52220587 is a prime.

It is a super-2 number, since 2×52220715² = 5454006150222450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52220717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14770 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (5228496).

Almost surely, 2^52220715 is an apocalyptic number.

52220715 is a deficient number, since it is larger than the sum of its proper divisors (31435221).

52220715 is a wasteful number, since it uses less digits than its factorization.

52220715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 52220715 is about 7226.3901776752. The cubic root of 52220715 is about 373.7784607880.

The spelling of 52220715 in words is "fifty-two million, two hundred twenty thousand, seven hundred fifteen".