22671239 has 2 divisors, whose sum is σ = 22671240. Its totient is φ = 22671238.

The previous prime is 22671211. The next prime is 22671241. The reversal of 22671239 is 93217622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22671239 is a prime.

Together with 22671241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22671289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11335619 + 11335620.

It is an arithmetic number, because the mean of its divisors is an integer number (11335620).

Almost surely, 2^22671239 is an apocalyptic number.

22671239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22671239 is an equidigital number, since it uses as much as digits as its factorization.

22671239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 22671239 is about 4761.4324525294. The cubic root of 22671239 is about 283.0251864027.

The spelling of 22671239 in words is "twenty-two million, six hundred seventy-one thousand, two hundred thirty-nine".