23154224 has 10 divisors (see below), whose sum is σ = 44861340. Its totient is φ = 11577104.

The previous prime is 23154199. The next prime is 23154239. The reversal of 23154224 is 42245132.

It is a happy number.

It is a super-2 number, since 2×23154224² = 1072236178084352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723554 + ... + 723585.

It is an arithmetic number, because the mean of its divisors is an integer number (4486134).

Almost surely, 2^23154224 is an apocalyptic number.

It is an amenable number.

23154224 is a deficient number, since it is larger than the sum of its proper divisors (21707116).

23154224 is a wasteful number, since it uses less digits than its factorization.

23154224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447147 (or 1447141 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 23154224 is about 4811.8836228654. The cubic root of 23154224 is about 285.0209238767.

Adding to 23154224 its reverse (42245132), we get a palindrome (65399356).

The spelling of 23154224 in words is "twenty-three million, one hundred fifty-four thousand, two hundred twenty-four".