422561615 has 16 divisors (see below), whose sum is σ = 610014720. Its totient is φ = 274505760.

The previous prime is 422561611. The next prime is 422561627. The reversal of 422561615 is 516165224.

It is not a de Polignac number, because 422561615 - 2² = 422561611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422561611) 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, 317051 + ... + 318380.

It is an arithmetic number, because the mean of its divisors is an integer number (38125920).

Almost surely, 2^422561615 is an apocalyptic number.

422561615 is a deficient number, since it is larger than the sum of its proper divisors (187453105).

422561615 is a wasteful number, since it uses less digits than its factorization.

422561615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635462.

The product of its digits is 14400, while the sum is 32.

The square root of 422561615 is about 20556.3035344393. The cubic root of 422561615 is about 750.4066624240.

The spelling of 422561615 in words is "four hundred twenty-two million, five hundred sixty-one thousand, six hundred fifteen".