22970539 has 2 divisors, whose sum is σ = 22970540. Its totient is φ = 22970538.

The previous prime is 22970503. The next prime is 22970543. The reversal of 22970539 is 93507922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22970539 - 2⁹ = 22970027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22970498 and 22970507.

It is not a weakly prime, because it can be changed into another prime (22970569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11485269 + 11485270.

It is an arithmetic number, because the mean of its divisors is an integer number (11485270).

Almost surely, 2^22970539 is an apocalyptic number.

22970539 is a deficient number, since it is larger than the sum of its proper divisors (1).

22970539 is an equidigital number, since it uses as much as digits as its factorization.

22970539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 22970539 is about 4792.7590175180. The cubic root of 22970539 is about 284.2652212264.

The spelling of 22970539 in words is "twenty-two million, nine hundred seventy thousand, five hundred thirty-nine".