22888249 has 2 divisors, whose sum is σ = 22888250. Its totient is φ = 22888248.

The previous prime is 22888247. The next prime is 22888259. The reversal of 22888249 is 94288822.

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., 21114025 + 1774224 = 4595^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 22888249 - 2¹ = 22888247 is a prime.

Together with 22888247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22888247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11444124 + 11444125.

It is an arithmetic number, because the mean of its divisors is an integer number (11444125).

Almost surely, 2^22888249 is an apocalyptic number.

It is an amenable number.

22888249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22888249 is an equidigital number, since it uses as much as digits as its factorization.

22888249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 43.

The square root of 22888249 is about 4784.1664895779. The cubic root of 22888249 is about 283.9253630819.

The spelling of 22888249 in words is "twenty-two million, eight hundred eighty-eight thousand, two hundred forty-nine".