22256130 has 64 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 5427456.

The previous prime is 22256123. The next prime is 22256189. The reversal of 22256130 is 3165222.

It is a junction number, because it is equal to n+sod(n) for n = 22256097 and 22256106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57919 + ... + 58301.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^22256130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22256130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29030400).

22256130 is an abundant number, since it is smaller than the sum of its proper divisors (35804670).

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

22256130 is a wasteful number, since it uses less digits than its factorization.

22256130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

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

The square root of 22256130 is about 4717.6402999805. The cubic root of 22256130 is about 281.2871437363.

The spelling of 22256130 in words is "twenty-two million, two hundred fifty-six thousand, one hundred thirty".