22746455 has 4 divisors (see below), whose sum is σ = 27295752. Its totient is φ = 18197160.

The previous prime is 22746419. The next prime is 22746461. The reversal of 22746455 is 55464722.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22746455 - 2¹⁸ = 22484311 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 3 ways as a sum of consecutive naturals, for example, 2274641 + ... + 2274650.

It is an arithmetic number, because the mean of its divisors is an integer number (6823938).

Almost surely, 2^22746455 is an apocalyptic number.

22746455 is a deficient number, since it is larger than the sum of its proper divisors (4549297).

22746455 is an equidigital number, since it uses as much as digits as its factorization.

22746455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549296.

The product of its digits is 67200, while the sum is 35.

The square root of 22746455 is about 4769.3243756323. The cubic root of 22746455 is about 283.3378369142.

The spelling of 22746455 in words is "twenty-two million, seven hundred forty-six thousand, four hundred fifty-five".