22192139 has 2 divisors, whose sum is σ = 22192140. Its totient is φ = 22192138.

The previous prime is 22192117. The next prime is 22192147. The reversal of 22192139 is 93129122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22192139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22192189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11096069 + 11096070.

It is an arithmetic number, because the mean of its divisors is an integer number (11096070).

Almost surely, 2^22192139 is an apocalyptic number.

22192139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22192139 is an equidigital number, since it uses as much as digits as its factorization.

22192139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 22192139 is about 4710.8533197288. The cubic root of 22192139 is about 281.0172986146.

The spelling of 22192139 in words is "twenty-two million, one hundred ninety-two thousand, one hundred thirty-nine".