22265567 has 2 divisors, whose sum is σ = 22265568. Its totient is φ = 22265566.

The previous prime is 22265561. The next prime is 22265569. The reversal of 22265567 is 76556222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22265567 - 2¹² = 22261471 is a prime.

Together with 22265569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22265561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11132783 + 11132784.

It is an arithmetic number, because the mean of its divisors is an integer number (11132784).

Almost surely, 2^22265567 is an apocalyptic number.

22265567 is a deficient number, since it is larger than the sum of its proper divisors (1).

22265567 is an equidigital number, since it uses as much as digits as its factorization.

22265567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 22265567 is about 4718.6403762101. The cubic root of 22265567 is about 281.3268950569.

The spelling of 22265567 in words is "twenty-two million, two hundred sixty-five thousand, five hundred sixty-seven".