22298927 has 4 divisors (see below), whose sum is σ = 25484496. Its totient is φ = 19113360.

The previous prime is 22298923. The next prime is 22298929. The reversal of 22298927 is 72989222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22298927 - 2² = 22298923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22298921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592774 + ... + 1592787.

It is an arithmetic number, because the mean of its divisors is an integer number (6371124).

Almost surely, 2^22298927 is an apocalyptic number.

22298927 is a deficient number, since it is larger than the sum of its proper divisors (3185569).

22298927 is an equidigital number, since it uses as much as digits as its factorization.

22298927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185568.

The product of its digits is 72576, while the sum is 41.

The square root of 22298927 is about 4722.1739696881. The cubic root of 22298927 is about 281.4673268721.

The spelling of 22298927 in words is "twenty-two million, two hundred ninety-eight thousand, nine hundred twenty-seven".