22258693 has 2 divisors, whose sum is σ = 22258694. Its totient is φ = 22258692.

The previous prime is 22258681. The next prime is 22258697. The reversal of 22258693 is 39685222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22071204 + 187489 = 4698^2 + 433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22258693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22258697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11129346 + 11129347.

It is an arithmetic number, because the mean of its divisors is an integer number (11129347).

Almost surely, 2^22258693 is an apocalyptic number.

It is an amenable number.

22258693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22258693 is an equidigital number, since it uses as much as digits as its factorization.

22258693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 22258693 is about 4717.9119322005. The cubic root of 22258693 is about 281.2979409306.

The spelling of 22258693 in words is "twenty-two million, two hundred fifty-eight thousand, six hundred ninety-three".