22095920 has 160 divisors (see below), whose sum is σ = 68138496. Its totient is φ = 6451200.

The previous prime is 22095889. The next prime is 22095947. The reversal of 22095920 is 2959022.

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, 104615 + ... + 104825.

Almost surely, 2^22095920 is an apocalyptic number.

22095920 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 22095920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34069248).

22095920 is an abundant number, since it is smaller than the sum of its proper divisors (46042576).

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

22095920 is a wasteful number, since it uses less digits than its factorization.

22095920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 22095920 is about 4700.6297450448. The cubic root of 22095920 is about 280.6105723705.

The spelling of 22095920 in words is "twenty-two million, ninety-five thousand, nine hundred twenty".