22165422 has 16 divisors (see below), whose sum is σ = 46258560. Its totient is φ = 7067192.

The previous prime is 22165411. The next prime is 22165439. The reversal of 22165422 is 22456122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22165392 and 22165401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80172 + ... + 80447.

It is an arithmetic number, because the mean of its divisors is an integer number (2891160).

Almost surely, 2^22165422 is an apocalyptic number.

22165422 is an abundant number, since it is smaller than the sum of its proper divisors (24093138).

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

22165422 is a wasteful number, since it uses less digits than its factorization.

22165422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160647.

The product of its digits is 1920, while the sum is 24.

The square root of 22165422 is about 4708.0167799191. The cubic root of 22165422 is about 280.9044815775.

The spelling of 22165422 in words is "twenty-two million, one hundred sixty-five thousand, four hundred twenty-two".