22144927 has 4 divisors (see below), whose sum is σ = 25308496. Its totient is φ = 18981360.

The previous prime is 22144921. The next prime is 22144933. The reversal of 22144927 is 72944122.

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

It is an interprime number because it is at equal distance from previous prime (22144921) and next prime (22144933).

It is a cyclic number.

It is not a de Polignac number, because 22144927 - 2⁷ = 22144799 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 (22144921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581774 + ... + 1581787.

It is an arithmetic number, because the mean of its divisors is an integer number (6327124).

Almost surely, 2^22144927 is an apocalyptic number.

22144927 is a deficient number, since it is larger than the sum of its proper divisors (3163569).

22144927 is an equidigital number, since it uses as much as digits as its factorization.

22144927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163568.

The product of its digits is 8064, while the sum is 31.

The square root of 22144927 is about 4705.8396700270. The cubic root of 22144927 is about 280.8178765239.

The spelling of 22144927 in words is "twenty-two million, one hundred forty-four thousand, nine hundred twenty-seven".