22224091 has 16 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 20070720.

The previous prime is 22224089. The next prime is 22224109. The reversal of 22224091 is 19042222.

It is a cyclic number.

It is not a de Polignac number, because 22224091 - 2¹ = 22224089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22224031) 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, 36310 + ... + 36916.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^22224091 is an apocalyptic number.

22224091 is a deficient number, since it is larger than the sum of its proper divisors (2290469).

22224091 is a wasteful number, since it uses less digits than its factorization.

22224091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22224091 is about 4714.2434175592. The cubic root of 22224091 is about 281.1521024875.

The spelling of 22224091 in words is "twenty-two million, two hundred twenty-four thousand, ninety-one".