22276553 has 16 divisors (see below), whose sum is σ = 25504080. Its totient is φ = 19305216.

The previous prime is 22276549. The next prime is 22276559. The reversal of 22276553 is 35567222.

It can be written as a sum of positive squares in 8 ways, for example, as 299209 + 21977344 = 547^2 + 4688^2 .

It is a cyclic number.

It is not a de Polignac number, because 22276553 - 2² = 22276549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22276559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13151 + ... + 14747.

It is an arithmetic number, because the mean of its divisors is an integer number (1594005).

Almost surely, 2^22276553 is an apocalyptic number.

It is an amenable number.

22276553 is a deficient number, since it is larger than the sum of its proper divisors (3227527).

22276553 is a wasteful number, since it uses less digits than its factorization.

22276553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676.

The product of its digits is 25200, while the sum is 32.

The square root of 22276553 is about 4719.8043391649. The cubic root of 22276553 is about 281.3731570586.

The spelling of 22276553 in words is "twenty-two million, two hundred seventy-six thousand, five hundred fifty-three".