22270597 has 2 divisors, whose sum is σ = 22270598. Its totient is φ = 22270596.

The previous prime is 22270543. The next prime is 22270609. The reversal of 22270597 is 79507222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17969121 + 4301476 = 4239^2 + 2074^2 .

It is a cyclic number.

It is not a de Polignac number, because 22270597 - 2¹⁵ = 22237829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22270097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135298 + 11135299.

It is an arithmetic number, because the mean of its divisors is an integer number (11135299).

Almost surely, 2^22270597 is an apocalyptic number.

It is an amenable number.

22270597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22270597 is an equidigital number, since it uses as much as digits as its factorization.

22270597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 22270597 is about 4719.1733386262. The cubic root of 22270597 is about 281.3480782548.

The spelling of 22270597 in words is "twenty-two million, two hundred seventy thousand, five hundred ninety-seven".