22724052 has 48 divisors (see below), whose sum is σ = 59082240. Its totient is φ = 6749568.

The previous prime is 22724041. The next prime is 22724071. The reversal of 22724052 is 25042722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (1230880).

Almost surely, 2^22724052 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 22724052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29541120).

22724052 is an abundant number, since it is smaller than the sum of its proper divisors (36358188).

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

22724052 is a wasteful number, since it uses less digits than its factorization.

22724052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22724052 is about 4766.9751415337. The cubic root of 22724052 is about 283.2447864788.

Adding to 22724052 its reverse (25042722), we get a palindrome (47766774).

The spelling of 22724052 in words is "twenty-two million, seven hundred twenty-four thousand, fifty-two".