23622224 has 20 divisors (see below), whose sum is σ = 45869460. Its totient is φ = 11784960.

The previous prime is 23622139. The next prime is 23622227. The reversal of 23622224 is 42222632.

It can be written as a sum of positive squares in 2 ways, for example, as 17372224 + 6250000 = 4168^2 + 2500^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23622224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23622227) 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, 7292 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (2293473).

Almost surely, 2^23622224 is an apocalyptic number.

It is an amenable number.

23622224 is a deficient number, since it is larger than the sum of its proper divisors (22247236).

23622224 is a wasteful number, since it uses less digits than its factorization.

23622224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3272 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 23622224 is about 4860.2699513504. The cubic root of 23622224 is about 286.9284382519.

Adding to 23622224 its reverse (42222632), we get a palindrome (65844856).

The spelling of 23622224 in words is "twenty-three million, six hundred twenty-two thousand, two hundred twenty-four".