22742220139 has 2 divisors, whose sum is σ = 22742220140. Its totient is φ = 22742220138.

The previous prime is 22742220131. The next prime is 22742220211. The reversal of 22742220139 is 93102224722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22742220139 - 2³ = 22742220131 is a prime.

It is not a weakly prime, because it can be changed into another prime (22742220131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11371110069 + 11371110070.

It is an arithmetic number, because the mean of its divisors is an integer number (11371110070).

Almost surely, 2^22742220139 is an apocalyptic number.

22742220139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22742220139 is an equidigital number, since it uses as much as digits as its factorization.

22742220139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 22742220139 in words is "twenty-two billion, seven hundred forty-two million, two hundred twenty thousand, one hundred thirty-nine".