22495399 has 2 divisors, whose sum is σ = 22495400. Its totient is φ = 22495398.

The previous prime is 22495391. The next prime is 22495433. The reversal of 22495399 is 99359422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22495399 - 2³ = 22495391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22495391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11247699 + 11247700.

It is an arithmetic number, because the mean of its divisors is an integer number (11247700).

Almost surely, 2^22495399 is an apocalyptic number.

22495399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22495399 is an equidigital number, since it uses as much as digits as its factorization.

22495399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 22495399 is about 4742.9314774726. The cubic root of 22495399 is about 282.2915642113.

The spelling of 22495399 in words is "twenty-two million, four hundred ninety-five thousand, three hundred ninety-nine".