22342139 has 2 divisors, whose sum is σ = 22342140. Its totient is φ = 22342138.

The previous prime is 22342127. The next prime is 22342183. The reversal of 22342139 is 93124322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22342139 - 2⁴ = 22342123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22342739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11171069 + 11171070.

It is an arithmetic number, because the mean of its divisors is an integer number (11171070).

Almost surely, 2^22342139 is an apocalyptic number.

22342139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22342139 is an equidigital number, since it uses as much as digits as its factorization.

22342139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 22342139 is about 4726.7471901933. The cubic root of 22342139 is about 281.6490234777.

The spelling of 22342139 in words is "twenty-two million, three hundred forty-two thousand, one hundred thirty-nine".