22553385 has 16 divisors (see below), whose sum is σ = 36331200. Its totient is φ = 11946560.

The previous prime is 22553369. The next prime is 22553389. The reversal of 22553385 is 58335522.

It is not a de Polignac number, because 22553385 - 2⁴ = 22553369 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22553389) 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, 2811 + ... + 7280.

It is an arithmetic number, because the mean of its divisors is an integer number (2270700).

Almost surely, 2^22553385 is an apocalyptic number.

It is an amenable number.

22553385 is a deficient number, since it is larger than the sum of its proper divisors (13777815).

22553385 is a wasteful number, since it uses less digits than its factorization.

22553385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10248.

The product of its digits is 36000, while the sum is 33.

The square root of 22553385 is about 4749.0404293920. The cubic root of 22553385 is about 282.5339087916.

The spelling of 22553385 in words is "twenty-two million, five hundred fifty-three thousand, three hundred eighty-five".