22160908 has 72 divisors (see below), whose sum is σ = 50527232. Its totient is φ = 8316000.

The previous prime is 22160893. The next prime is 22160933. The reversal of 22160908 is 80906122.

It is a happy number.

It is a super-2 number, since 2×22160908² = 982211686768928, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104923 + ... + 105133.

Almost surely, 2^22160908 is an apocalyptic number.

22160908 is a gapful number since it is divisible by the number (28) 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 22160908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25263616).

22160908 is an abundant number, since it is smaller than the sum of its proper divisors (28366324).

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

22160908 is a wasteful number, since it uses less digits than its factorization.

22160908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 22160908 is about 4707.5373604465. The cubic root of 22160908 is about 280.8854115005.

The spelling of 22160908 in words is "twenty-two million, one hundred sixty thousand, nine hundred eight".