22109896 has 32 divisors (see below), whose sum is σ = 42588000. Its totient is φ = 10757376.

The previous prime is 22109891. The next prime is 22109903. The reversal of 22109896 is 69890122.

It is a super-2 number, since 2×22109896² = 977695002261632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22109891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65440 + ... + 65776.

It is an arithmetic number, because the mean of its divisors is an integer number (1330875).

Almost surely, 2^22109896 is an apocalyptic number.

It is an amenable number.

22109896 is a deficient number, since it is larger than the sum of its proper divisors (20478104).

22109896 is a wasteful number, since it uses less digits than its factorization.

22109896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 22109896 is about 4702.1161193658. The cubic root of 22109896 is about 280.6697233628.

It can be divided in two parts, 22109 and 896, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22109896 in words is "twenty-two million, one hundred nine thousand, eight hundred ninety-six".