22415115 has 24 divisors (see below), whose sum is σ = 37265040. Its totient is φ = 11491648.

The previous prime is 22415101. The next prime is 22415123. The reversal of 22415115 is 51151422.

It is not a de Polignac number, because 22415115 - 2⁹ = 22414603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22415091 and 22415100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98632 + ... + 98858.

It is an arithmetic number, because the mean of its divisors is an integer number (1552710).

Almost surely, 2^22415115 is an apocalyptic number.

22415115 is a deficient number, since it is larger than the sum of its proper divisors (14849925).

22415115 is an equidigital number, since it uses as much as digits as its factorization.

22415115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 264 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 22415115 is about 4734.4603705174. The cubic root of 22415115 is about 281.9553397411.

Adding to 22415115 its reverse (51151422), we get a palindrome (73566537).

The spelling of 22415115 in words is "twenty-two million, four hundred fifteen thousand, one hundred fifteen".