22690276 has 12 divisors (see below), whose sum is σ = 45380608. Its totient is φ = 9724392.

The previous prime is 22690271. The next prime is 22690289. The reversal of 22690276 is 67209622.

22690276 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22690271) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 405156 + ... + 405211.

Almost surely, 2^22690276 is an apocalyptic number.

It is an amenable number.

22690276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22690276 is a wasteful number, since it uses less digits than its factorization.

22690276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810378 (or 810376 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 22690276 is about 4763.4311163278. The cubic root of 22690276 is about 283.1043828256.

Adding to 22690276 its reverse (67209622), we get a palindrome (89899898).

The spelling of 22690276 in words is "twenty-two million, six hundred ninety thousand, two hundred seventy-six".