22988149 has 2 divisors, whose sum is σ = 22988150. Its totient is φ = 22988148.

The previous prime is 22988099. The next prime is 22988171. The reversal of 22988149 is 94188922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17489124 + 5499025 = 4182^2 + 2345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22988149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22988179) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494074 + 11494075.

It is an arithmetic number, because the mean of its divisors is an integer number (11494075).

Almost surely, 2^22988149 is an apocalyptic number.

It is an amenable number.

22988149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22988149 is an equidigital number, since it uses as much as digits as its factorization.

22988149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 43.

The square root of 22988149 is about 4794.5958119533. The cubic root of 22988149 is about 284.3378451478.

The spelling of 22988149 in words is "twenty-two million, nine hundred eighty-eight thousand, one hundred forty-nine".