22701139 has 2 divisors, whose sum is σ = 22701140. Its totient is φ = 22701138.

The previous prime is 22701131. The next prime is 22701169. The reversal of 22701139 is 93110722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22701139 - 2³ = 22701131 is a prime.

It is not a weakly prime, because it can be changed into another prime (22701131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11350569 + 11350570.

It is an arithmetic number, because the mean of its divisors is an integer number (11350570).

Almost surely, 2^22701139 is an apocalyptic number.

22701139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22701139 is an equidigital number, since it uses as much as digits as its factorization.

22701139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 22701139 is about 4764.5712293972. The cubic root of 22701139 is about 283.1495544850.

The spelling of 22701139 in words is "twenty-two million, seven hundred one thousand, one hundred thirty-nine".