22221927 has 48 divisors (see below), whose sum is σ = 40488448. Its totient is φ = 11430720.

The previous prime is 22221911. The next prime is 22221949. The reversal of 22221927 is 72912222.

It is not a de Polignac number, because 22221927 - 2⁴ = 22221911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22221927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34902 + ... + 35532.

Almost surely, 2^22221927 is an apocalyptic number.

22221927 is a deficient number, since it is larger than the sum of its proper divisors (18266521).

22221927 is a wasteful number, since it uses less digits than its factorization.

22221927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 697 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 22221927 is about 4714.0138947610. The cubic root of 22221927 is about 281.1429767614.

The spelling of 22221927 in words is "twenty-two million, two hundred twenty-one thousand, nine hundred twenty-seven".