22137307 has 2 divisors, whose sum is σ = 22137308. Its totient is φ = 22137306.

The previous prime is 22137287. The next prime is 22137319. The reversal of 22137307 is 70373122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22137307 - 2¹⁹ = 21613019 is a prime.

It is a super-2 number, since 2×22137307² = 980120722424498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22137347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11068653 + 11068654.

It is an arithmetic number, because the mean of its divisors is an integer number (11068654).

Almost surely, 2^22137307 is an apocalyptic number.

22137307 is a deficient number, since it is larger than the sum of its proper divisors (1).

22137307 is an equidigital number, since it uses as much as digits as its factorization.

22137307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 22137307 is about 4705.0299680236. The cubic root of 22137307 is about 280.7856633116.

The spelling of 22137307 in words is "twenty-two million, one hundred thirty-seven thousand, three hundred seven".