23009224 has 48 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 9723168.

The previous prime is 23009219. The next prime is 23009291. The reversal of 23009224 is 42290032.

It is a junction number, because it is equal to n+sod(n) for n = 23009195 and 23009204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30597 + ... + 31339.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 2^23009224 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 23009224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25444800).

23009224 is an abundant number, since it is smaller than the sum of its proper divisors (27880376).

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

23009224 is a wasteful number, since it uses less digits than its factorization.

23009224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23009224 is about 4796.7930953920. The cubic root of 23009224 is about 284.4247100476.

Adding to 23009224 its reverse (42290032), we get a palindrome (65299256).

The spelling of 23009224 in words is "twenty-three million, nine thousand, two hundred twenty-four".