22739159 has 2 divisors, whose sum is σ = 22739160. Its totient is φ = 22739158.

The previous prime is 22739147. The next prime is 22739209. The reversal of 22739159 is 95193722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22739159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22739459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11369579 + 11369580.

It is an arithmetic number, because the mean of its divisors is an integer number (11369580).

Almost surely, 2^22739159 is an apocalyptic number.

22739159 is a deficient number, since it is larger than the sum of its proper divisors (1).

22739159 is an equidigital number, since it uses as much as digits as its factorization.

22739159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 22739159 is about 4768.5594260741. The cubic root of 22739159 is about 283.3075398280.

The spelling of 22739159 in words is "twenty-two million, seven hundred thirty-nine thousand, one hundred fifty-nine".