22980989 has 2 divisors, whose sum is σ = 22980990. Its totient is φ = 22980988.

The previous prime is 22980977. The next prime is 22981001. The reversal of 22980989 is 98908922.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22980977) and next prime (22981001).

It can be written as a sum of positive squares in only one way, i.e., 16564900 + 6416089 = 4070^2 + 2533^2 .

It is a cyclic number.

It is not a de Polignac number, because 22980989 - 2⁴ = 22980973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22988989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11490494 + 11490495.

It is an arithmetic number, because the mean of its divisors is an integer number (11490495).

Almost surely, 2^22980989 is an apocalyptic number.

It is an amenable number.

22980989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22980989 is an equidigital number, since it uses as much as digits as its factorization.

22980989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 22980989 is about 4793.8490798105. The cubic root of 22980989 is about 284.3083216692.

It can be divided in two parts, 229 and 80989, that added together give a palindrome (81218).

The spelling of 22980989 in words is "twenty-two million, nine hundred eighty thousand, nine hundred eighty-nine".