23213224 has 16 divisors (see below), whose sum is σ = 45026100. Its totient is φ = 11206272.

The previous prime is 23213221. The next prime is 23213227. The reversal of 23213224 is 42231232.

It is an interprime number because it is at equal distance from previous prime (23213221) and next prime (23213227).

It can be written as a sum of positive squares in 2 ways, for example, as 23213124 + 100 = 4818^2 + 10^2 .

It is not an unprimeable number, because it can be changed into a prime (23213221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49797 + ... + 50260.

Almost surely, 2^23213224 is an apocalyptic number.

It is an amenable number.

23213224 is a deficient number, since it is larger than the sum of its proper divisors (21812876).

23213224 is a wasteful number, since it uses less digits than its factorization.

23213224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100092 (or 100088 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 23213224 is about 4818.0103777389. The cubic root of 23213224 is about 285.2628087753.

Adding to 23213224 its reverse (42231232), we get a palindrome (65444456).

It can be divided in two parts, 232 and 13224, that added together give a square (13456 = 116²).

The spelling of 23213224 in words is "twenty-three million, two hundred thirteen thousand, two hundred twenty-four".