22269139 has 2 divisors, whose sum is σ = 22269140. Its totient is φ = 22269138.

The previous prime is 22269127. The next prime is 22269157. The reversal of 22269139 is 93196222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22269139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22269179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11134569 + 11134570.

It is an arithmetic number, because the mean of its divisors is an integer number (11134570).

Almost surely, 2^22269139 is an apocalyptic number.

22269139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22269139 is an equidigital number, since it uses as much as digits as its factorization.

22269139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 22269139 is about 4719.0188598903. The cubic root of 22269139 is about 281.3419384037.

The spelling of 22269139 in words is "twenty-two million, two hundred sixty-nine thousand, one hundred thirty-nine".