22225927 has 2 divisors, whose sum is σ = 22225928. Its totient is φ = 22225926.

The previous prime is 22225909. The next prime is 22225963. The reversal of 22225927 is 72952222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22225927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22225967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112963 + 11112964.

It is an arithmetic number, because the mean of its divisors is an integer number (11112964).

Almost surely, 2^22225927 is an apocalyptic number.

22225927 is a deficient number, since it is larger than the sum of its proper divisors (1).

22225927 is an equidigital number, since it uses as much as digits as its factorization.

22225927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 22225927 is about 4714.4381425574. The cubic root of 22225927 is about 281.1598445521.

The spelling of 22225927 in words is "twenty-two million, two hundred twenty-five thousand, nine hundred twenty-seven".