22165115 has 16 divisors (see below), whose sum is σ = 31998720. Its totient is φ = 14398560.

The previous prime is 22165111. The next prime is 22165147. The reversal of 22165115 is 51156122.

It is a happy number.

It is not a de Polignac number, because 22165115 - 2² = 22165111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22165111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16001 + ... + 17330.

It is an arithmetic number, because the mean of its divisors is an integer number (1999920).

Almost surely, 2^22165115 is an apocalyptic number.

22165115 is a deficient number, since it is larger than the sum of its proper divisors (9833605).

22165115 is a wasteful number, since it uses less digits than its factorization.

22165115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33362.

The product of its digits is 600, while the sum is 23.

The square root of 22165115 is about 4707.9841758443. The cubic root of 22165115 is about 280.9031846916.

The spelling of 22165115 in words is "twenty-two million, one hundred sixty-five thousand, one hundred fifteen".