23224551 has 16 divisors (see below), whose sum is σ = 35706624. Its totient is φ = 13152384.

The previous prime is 23224541. The next prime is 23224561. The reversal of 23224551 is 15542232.

It is an interprime number because it is at equal distance from previous prime (23224541) and next prime (23224561).

It is not a de Polignac number, because 23224551 - 2⁵ = 23224519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521 + ... + 7266.

It is an arithmetic number, because the mean of its divisors is an integer number (2231664).

Almost surely, 2^23224551 is an apocalyptic number.

23224551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23224551 is a deficient number, since it is larger than the sum of its proper divisors (12482073).

23224551 is a wasteful number, since it uses less digits than its factorization.

23224551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910.

The product of its digits is 2400, while the sum is 24.

The square root of 23224551 is about 4819.1857196004. The cubic root of 23224551 is about 285.3091996661.

Adding to 23224551 its reverse (15542232), we get a palindrome (38766783).

The spelling of 23224551 in words is "twenty-three million, two hundred twenty-four thousand, five hundred fifty-one".