22125455 has 12 divisors (see below), whose sum is σ = 29184456. Its totient is φ = 16090800.

The previous prime is 22125437. The next prime is 22125469. The reversal of 22125455 is 55452122.

It is not a de Polignac number, because 22125455 - 2¹⁸ = 21863311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17681 + ... + 18890.

It is an arithmetic number, because the mean of its divisors is an integer number (2432038).

Almost surely, 2^22125455 is an apocalyptic number.

22125455 is a deficient number, since it is larger than the sum of its proper divisors (7059001).

22125455 is a wasteful number, since it uses less digits than its factorization.

22125455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36598 (or 36587 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 22125455 is about 4703.7702962624. The cubic root of 22125455 is about 280.7355448132.

Adding to 22125455 its reverse (55452122), we get a palindrome (77577577).

It can be divided in two parts, 2212 and 5455, that added together give a palindrome (7667).

The spelling of 22125455 in words is "twenty-two million, one hundred twenty-five thousand, four hundred fifty-five".