22625515 has 16 divisors (see below), whose sum is σ = 29919456. Its totient is φ = 16288000.

The previous prime is 22625513. The next prime is 22625531. The reversal of 22625515 is 51552622.

It is not a de Polignac number, because 22625515 - 2¹ = 22625513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22625513) 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, 3519 + ... + 7591.

It is an arithmetic number, because the mean of its divisors is an integer number (1869966).

Almost surely, 2^22625515 is an apocalyptic number.

22625515 is a deficient number, since it is larger than the sum of its proper divisors (7293941).

22625515 is a wasteful number, since it uses less digits than its factorization.

22625515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190.

The product of its digits is 6000, while the sum is 28.

The square root of 22625515 is about 4756.6285329002. The cubic root of 22625515 is about 282.8347872610.

It can be divided in two parts, 2262 and 5515, that added together give a palindrome (7777).

The spelling of 22625515 in words is "twenty-two million, six hundred twenty-five thousand, five hundred fifteen".