22970737 has 2 divisors, whose sum is σ = 22970738. Its totient is φ = 22970736.

The previous prime is 22970713. The next prime is 22970741. The reversal of 22970737 is 73707922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18974736 + 3996001 = 4356^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 22970737 - 2⁷ = 22970609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22970696 and 22970705.

It is not a weakly prime, because it can be changed into another prime (22970707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11485368 + 11485369.

It is an arithmetic number, because the mean of its divisors is an integer number (11485369).

Almost surely, 2^22970737 is an apocalyptic number.

It is an amenable number.

22970737 is a deficient number, since it is larger than the sum of its proper divisors (1).

22970737 is an equidigital number, since it uses as much as digits as its factorization.

22970737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 22970737 is about 4792.7796736341. The cubic root of 22970737 is about 284.2660379878.

The spelling of 22970737 in words is "twenty-two million, nine hundred seventy thousand, seven hundred thirty-seven".