22270139 has 2 divisors, whose sum is σ = 22270140. Its totient is φ = 22270138.

The previous prime is 22270111. The next prime is 22270159. The reversal of 22270139 is 93107222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22270139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22270159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135069 + 11135070.

It is an arithmetic number, because the mean of its divisors is an integer number (11135070).

Almost surely, 2^22270139 is an apocalyptic number.

22270139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22270139 is an equidigital number, since it uses as much as digits as its factorization.

22270139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 22270139 is about 4719.1248129288. The cubic root of 22270139 is about 281.3461495787.

The spelling of 22270139 in words is "twenty-two million, two hundred seventy thousand, one hundred thirty-nine".