22550553 has 24 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 14524224.

The previous prime is 22550537. The next prime is 22550579. The reversal of 22550553 is 35505522.

It is not a de Polignac number, because 22550553 - 2⁴ = 22550537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22550513) 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, 37348 + ... + 37946.

It is an arithmetic number, because the mean of its divisors is an integer number (1404000).

Almost surely, 2^22550553 is an apocalyptic number.

It is an amenable number.

22550553 is a deficient number, since it is larger than the sum of its proper divisors (11145447).

22550553 is a wasteful number, since it uses less digits than its factorization.

22550553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 22550553 is about 4748.7422545344. The cubic root of 22550553 is about 282.5220824882.

The spelling of 22550553 in words is "twenty-two million, five hundred fifty thousand, five hundred fifty-three".