22790152 has 32 divisors (see below), whose sum is σ = 53277120. Its totient is φ = 8879040.

The previous prime is 22790147. The next prime is 22790167. The reversal of 22790152 is 25109722.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22790152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17883 + ... + 19114.

It is an arithmetic number, because the mean of its divisors is an integer number (1664910).

Almost surely, 2^22790152 is an apocalyptic number.

22790152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22790152 is an abundant number, since it is smaller than the sum of its proper divisors (30486968).

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

22790152 is a wasteful number, since it uses less digits than its factorization.

22790152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37021 (or 37017 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22790152 is about 4773.9032248256. The cubic root of 22790152 is about 283.5191559189.

Adding to 22790152 its reverse (25109722), we get a palindrome (47899874).

The spelling of 22790152 in words is "twenty-two million, seven hundred ninety thousand, one hundred fifty-two".