22445226 has 48 divisors (see below), whose sum is σ = 50903424. Its totient is φ = 7140672.

The previous prime is 22445221. The next prime is 22445231. The reversal of 22445226 is 62254422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22445221) and next prime (22445231).

It is a self number, because there is not a number n which added to its sum of digits gives 22445226.

It is not an unprimeable number, because it can be changed into a prime (22445221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36070 + ... + 36686.

It is an arithmetic number, because the mean of its divisors is an integer number (1060488).

Almost surely, 2^22445226 is an apocalyptic number.

22445226 is an abundant number, since it is smaller than the sum of its proper divisors (28458198).

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

22445226 is a wasteful number, since it uses less digits than its factorization.

22445226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22445226 is about 4737.6392855514. The cubic root of 22445226 is about 282.0815367061.

Adding to 22445226 its reverse (62254422), we get a palindrome (84699648).

The spelling of 22445226 in words is "twenty-two million, four hundred forty-five thousand, two hundred twenty-six".