22802553 has 20 divisors (see below), whose sum is σ = 34259940. Its totient is φ = 15113952.

The previous prime is 22802551. The next prime is 22802569. The reversal of 22802553 is 35520822.

It can be written as a sum of positive squares in 2 ways, for example, as 12766329 + 10036224 = 3573^2 + 3168^2 .

It is not a de Polignac number, because 22802553 - 2¹ = 22802551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22802551) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15243 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (1712997).

Almost surely, 2^22802553 is an apocalyptic number.

It is an amenable number.

22802553 is a deficient number, since it is larger than the sum of its proper divisors (11457387).

22802553 is a wasteful number, since it uses less digits than its factorization.

22802553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 22802553 is about 4775.2018805491. The cubic root of 22802553 is about 283.5705711607.

The spelling of 22802553 in words is "twenty-two million, eight hundred two thousand, five hundred fifty-three".