22165969 has 8 divisors (see below), whose sum is σ = 25361280. Its totient is φ = 18977856.

The previous prime is 22165963. The next prime is 22165973. The reversal of 22165969 is 96956122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22165969 - 2⁵ = 22165937 is a prime.

It is a super-2 number, since 2×22165969² = 982660363417922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22165963) 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, 9852 + ... + 11890.

It is an arithmetic number, because the mean of its divisors is an integer number (3170160).

Almost surely, 2^22165969 is an apocalyptic number.

It is an amenable number.

22165969 is a deficient number, since it is larger than the sum of its proper divisors (3195311).

22165969 is a wasteful number, since it uses less digits than its factorization.

22165969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its digits is 58320, while the sum is 40.

The square root of 22165969 is about 4708.0748719620. The cubic root of 22165969 is about 280.9067922861.

The spelling of 22165969 in words is "twenty-two million, one hundred sixty-five thousand, nine hundred sixty-nine".