22522276 has 12 divisors (see below), whose sum is σ = 45044608. Its totient is φ = 9652392.

The previous prime is 22522271. The next prime is 22522301. The reversal of 22522276 is 67222522.

It is a happy number.

22522276 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 804367 = 22522276 / (2 + 2 + 5 + 2 + 2 + 2 + 7 + 6).

It is not an unprimeable number, because it can be changed into a prime (22522271) 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, 402156 + ... + 402211.

Almost surely, 2^22522276 is an apocalyptic number.

It is an amenable number.

22522276 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.

22522276 is a wasteful number, since it uses less digits than its factorization.

22522276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804378 (or 804376 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 22522276 is about 4745.7640059320. The cubic root of 22522276 is about 282.4039446840.

Adding to 22522276 its reverse (67222522), we get a palindrome (89744798).

The spelling of 22522276 in words is "twenty-two million, five hundred twenty-two thousand, two hundred seventy-six".