22995689 has 2 divisors, whose sum is σ = 22995690. Its totient is φ = 22995688.

The previous prime is 22995683. The next prime is 22995697. The reversal of 22995689 is 98659922.

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., 18619225 + 4376464 = 4315^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 22995689 - 2⁸ = 22995433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22995683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11497844 + 11497845.

It is an arithmetic number, because the mean of its divisors is an integer number (11497845).

Almost surely, 2^22995689 is an apocalyptic number.

It is an amenable number.

22995689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22995689 is an equidigital number, since it uses as much as digits as its factorization.

22995689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 50.

The square root of 22995689 is about 4795.3820494305. The cubic root of 22995689 is about 284.3689288886.

The spelling of 22995689 in words is "twenty-two million, nine hundred ninety-five thousand, six hundred eighty-nine".