22253160 has 64 divisors (see below), whose sum is σ = 68402880. Its totient is φ = 5788160.

The previous prime is 22253149. The next prime is 22253177. The reversal of 22253160 is 6135222.

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, 2659 + ... + 7181.

It is an arithmetic number, because the mean of its divisors is an integer number (1068795).

Almost surely, 2^22253160 is an apocalyptic number.

22253160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22253160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34201440).

22253160 is an abundant number, since it is smaller than the sum of its proper divisors (46149720).

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

22253160 is a wasteful number, since it uses less digits than its factorization.

22253160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578 (or 4574 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22253160 is about 4717.3255134663. The cubic root of 22253160 is about 281.2746309293.

Adding to 22253160 its reverse (6135222), we get a palindrome (28388382).

The spelling of 22253160 in words is "twenty-two million, two hundred fifty-three thousand, one hundred sixty".