22620453 has 16 divisors (see below), whose sum is σ = 31026240. Its totient is φ = 14653184.

The previous prime is 22620439. The next prime is 22620457. The reversal of 22620453 is 35402622.

It is a cyclic number.

It is not a de Polignac number, because 22620453 - 2¹⁴ = 22604069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22620457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17338 + ... + 18596.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^22620453 is an apocalyptic number.

It is an amenable number.

22620453 is a deficient number, since it is larger than the sum of its proper divisors (8405787).

22620453 is a wasteful number, since it uses less digits than its factorization.

22620453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22620453 is about 4756.0964035646. The cubic root of 22620453 is about 282.8136928391.

The spelling of 22620453 in words is "twenty-two million, six hundred twenty thousand, four hundred fifty-three".