22136399 has 2 divisors, whose sum is σ = 22136400. Its totient is φ = 22136398.

The previous prime is 22136381. The next prime is 22136407. The reversal of 22136399 is 99363122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22136399 - 2²⁴ = 5359183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22136369) 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, 11068199 + 11068200.

It is an arithmetic number, because the mean of its divisors is an integer number (11068200).

Almost surely, 2^22136399 is an apocalyptic number.

22136399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22136399 is an equidigital number, since it uses as much as digits as its factorization.

22136399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 22136399 is about 4704.9334745563. The cubic root of 22136399 is about 280.7818242890.

The spelling of 22136399 in words is "twenty-two million, one hundred thirty-six thousand, three hundred ninety-nine".