23442224 has 40 divisors (see below), whose sum is σ = 50069712. Its totient is φ = 10563840.

The previous prime is 23442217. The next prime is 23442229. The reversal of 23442224 is 42224432.

It is a self number, because there is not a number n which added to its sum of digits gives 23442224.

It is not an unprimeable number, because it can be changed into a prime (23442229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7634 + ... + 10254.

Almost surely, 2^23442224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23442224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25034856).

23442224 is an abundant number, since it is smaller than the sum of its proper divisors (26627488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23442224 is a wasteful number, since it uses less digits than its factorization.

23442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2679 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 23442224 is about 4841.7170507992. The cubic root of 23442224 is about 286.1977864759.

Adding to 23442224 its reverse (42224432), we get a palindrome (65666656).

The spelling of 23442224 in words is "twenty-three million, four hundred forty-two thousand, two hundred twenty-four".