22226715 has 48 divisors (see below), whose sum is σ = 45130176. Its totient is φ = 9907200.

The previous prime is 22226681. The next prime is 22226741. The reversal of 22226715 is 51762222.

It is not a de Polignac number, because 22226715 - 2¹⁰ = 22225691 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 12055 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (940212).

Almost surely, 2^22226715 is an apocalyptic number.

22226715 is an abundant number, since it is smaller than the sum of its proper divisors (22903461).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22226715 is a wasteful number, since it uses less digits than its factorization.

22226715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1777 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 22226715 is about 4714.5217148720. The cubic root of 22226715 is about 281.1631672682.

Adding to 22226715 its reverse (51762222), we get a palindrome (73988937).

The spelling of 22226715 in words is "twenty-two million, two hundred twenty-six thousand, seven hundred fifteen".