22522455 has 56 divisors (see below), whose sum is σ = 41866272. Its totient is φ = 11617344.

The previous prime is 22522453. The next prime is 22522463. The reversal of 22522455 is 55422522.

It is not a de Polignac number, because 22522455 - 2¹ = 22522453 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522453) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 134782 + ... + 134948.

It is an arithmetic number, because the mean of its divisors is an integer number (747612).

Almost surely, 2^22522455 is an apocalyptic number.

22522455 is a deficient number, since it is larger than the sum of its proper divisors (19343817).

22522455 is an equidigital number, since it uses as much as digits as its factorization.

22522455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 212 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22522455 is about 4745.7828648180. The cubic root of 22522455 is about 282.4046928348.

Adding to 22522455 its reverse (55422522), we get a palindrome (77944977).

The spelling of 22522455 in words is "twenty-two million, five hundred twenty-two thousand, four hundred fifty-five".