22219265 has 16 divisors (see below), whose sum is σ = 29289600. Its totient is φ = 16106112.

The previous prime is 22219247. The next prime is 22219271. The reversal of 22219265 is 56291222.

It is a cyclic number.

It is not a de Polignac number, because 22219265 - 2⁶ = 22219201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2900 + ... + 7269.

It is an arithmetic number, because the mean of its divisors is an integer number (1830600).

Almost surely, 2^22219265 is an apocalyptic number.

It is an amenable number.

22219265 is a deficient number, since it is larger than the sum of its proper divisors (7070335).

22219265 is a wasteful number, since it uses less digits than its factorization.

22219265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216.

The product of its digits is 4320, while the sum is 29.

The square root of 22219265 is about 4713.7315366915. The cubic root of 22219265 is about 281.1317501249.

The spelling of 22219265 in words is "twenty-two million, two hundred nineteen thousand, two hundred sixty-five".