22298091 has 8 divisors (see below), whose sum is σ = 29847504. Its totient is φ = 14807040.

The previous prime is 22298057. The next prime is 22298099. The reversal of 22298091 is 19089222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22298091 - 2⁶ = 22298027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22298099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13690 + ... + 15231.

It is an arithmetic number, because the mean of its divisors is an integer number (3730938).

Almost surely, 2^22298091 is an apocalyptic number.

22298091 is a deficient number, since it is larger than the sum of its proper divisors (7549413).

22298091 is a wasteful number, since it uses less digits than its factorization.

22298091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29181.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 22298091 is about 4722.0854503069. The cubic root of 22298091 is about 281.4638093692.

The spelling of 22298091 in words is "twenty-two million, two hundred ninety-eight thousand, ninety-one".