22990139 has 2 divisors, whose sum is σ = 22990140. Its totient is φ = 22990138.

The previous prime is 22990129. The next prime is 22990151. The reversal of 22990139 is 93109922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22990139 - 2¹² = 22986043 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22990099 and 22990108.

It is not a weakly prime, because it can be changed into another prime (22990129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11495069 + 11495070.

It is an arithmetic number, because the mean of its divisors is an integer number (11495070).

Almost surely, 2^22990139 is an apocalyptic number.

22990139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22990139 is an equidigital number, since it uses as much as digits as its factorization.

22990139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 22990139 is about 4794.8033327760. The cubic root of 22990139 is about 284.3460496069.

The spelling of 22990139 in words is "twenty-two million, nine hundred ninety thousand, one hundred thirty-nine".