22352091 has 16 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 14564960.

The previous prime is 22352051. The next prime is 22352101. The reversal of 22352091 is 19025322.

It is a cyclic number.

It is not a de Polignac number, because 22352091 - 2⁹ = 22351579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22352051) 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, 51646 + ... + 52076.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^22352091 is an apocalyptic number.

22352091 is a deficient number, since it is larger than the sum of its proper divisors (8129829).

22352091 is a wasteful number, since it uses less digits than its factorization.

22352091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 22352091 is about 4727.7998054063. The cubic root of 22352091 is about 281.6908361708.

The spelling of 22352091 in words is "twenty-two million, three hundred fifty-two thousand, ninety-one".