220252615 has 16 divisors (see below), whose sum is σ = 295366176. Its totient is φ = 156275200.

The previous prime is 220252597. The next prime is 220252621. The reversal of 220252615 is 516252022.

It is a happy number.

It is not a de Polignac number, because 220252615 - 2²⁷ = 86034887 is a prime.

It is a super-2 number, since 2×220252615² = 97022428828676450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220252615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46582 + ... + 51091.

It is an arithmetic number, because the mean of its divisors is an integer number (18460386).

Almost surely, 2^220252615 is an apocalyptic number.

220252615 is a deficient number, since it is larger than the sum of its proper divisors (75113561).

220252615 is a wasteful number, since it uses less digits than its factorization.

220252615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97730.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 220252615 is about 14840.9101809828. The cubic root of 220252615 is about 603.9120442293.

The spelling of 220252615 in words is "two hundred twenty million, two hundred fifty-two thousand, six hundred fifteen".