22889969 has 2 divisors, whose sum is σ = 22889970. Its totient is φ = 22889968.

The previous prime is 22889921. The next prime is 22890029. The reversal of 22889969 is 96998822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18809569 + 4080400 = 4337^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 22889969 - 2¹² = 22885873 is a prime.

It is a super-2 number, since 2×22889969² = 1047901361641922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22889969.

It is not a weakly prime, because it can be changed into another prime (72889969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11444984 + 11444985.

It is an arithmetic number, because the mean of its divisors is an integer number (11444985).

Almost surely, 2^22889969 is an apocalyptic number.

It is an amenable number.

22889969 is a deficient number, since it is larger than the sum of its proper divisors (1).

22889969 is an equidigital number, since it uses as much as digits as its factorization.

22889969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 53.

The square root of 22889969 is about 4784.3462458313. The cubic root of 22889969 is about 283.9324750195.

The spelling of 22889969 in words is "twenty-two million, eight hundred eighty-nine thousand, nine hundred sixty-nine".