22955399 has 2 divisors, whose sum is σ = 22955400. Its totient is φ = 22955398.

The previous prime is 22955369. The next prime is 22955417. The reversal of 22955399 is 99355922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22955399 - 2¹² = 22951303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22955329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11477699 + 11477700.

It is an arithmetic number, because the mean of its divisors is an integer number (11477700).

Almost surely, 2^22955399 is an apocalyptic number.

22955399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22955399 is an equidigital number, since it uses as much as digits as its factorization.

22955399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 218700, while the sum is 44.

The square root of 22955399 is about 4791.1792911558. The cubic root of 22955399 is about 284.2027539454.

The spelling of 22955399 in words is "twenty-two million, nine hundred fifty-five thousand, three hundred ninety-nine".