22970249 has 2 divisors, whose sum is σ = 22970250. Its totient is φ = 22970248.

The previous prime is 22970239. The next prime is 22970273. The reversal of 22970249 is 94207922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 11102224 = 3445^2 + 3332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22970249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22970239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11485124 + 11485125.

It is an arithmetic number, because the mean of its divisors is an integer number (11485125).

Almost surely, 2^22970249 is an apocalyptic number.

It is an amenable number.

22970249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22970249 is an equidigital number, since it uses as much as digits as its factorization.

22970249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 22970249 is about 4792.7287634499. The cubic root of 22970249 is about 284.2640249511.

The spelling of 22970249 in words is "twenty-two million, nine hundred seventy thousand, two hundred forty-nine".