23224455 has 32 divisors (see below), whose sum is σ = 41886720. Its totient is φ = 12206880.

The previous prime is 23224451. The next prime is 23224463. The reversal of 23224455 is 55442232.

It is a happy number.

It is not a de Polignac number, because 23224455 - 2² = 23224451 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (23224451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8374 + ... + 10796.

It is an arithmetic number, because the mean of its divisors is an integer number (1308960).

Almost surely, 2^23224455 is an apocalyptic number.

23224455 is a deficient number, since it is larger than the sum of its proper divisors (18662265).

23224455 is a wasteful number, since it uses less digits than its factorization.

23224455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2502 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 23224455 is about 4819.1757594012. The cubic root of 23224455 is about 285.3088065517.

Adding to 23224455 its reverse (55442232), we get a palindrome (78666687).

The spelling of 23224455 in words is "twenty-three million, two hundred twenty-four thousand, four hundred fifty-five".