22648867 has 2 divisors, whose sum is σ = 22648868. Its totient is φ = 22648866.

The previous prime is 22648853. The next prime is 22648889. The reversal of 22648867 is 76884622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22648867 is a prime.

It is not a weakly prime, because it can be changed into another prime (22648807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11324433 + 11324434.

It is an arithmetic number, because the mean of its divisors is an integer number (11324434).

Almost surely, 2^22648867 is an apocalyptic number.

22648867 is a deficient number, since it is larger than the sum of its proper divisors (1).

22648867 is an equidigital number, since it uses as much as digits as its factorization.

22648867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 22648867 is about 4759.0825796576. The cubic root of 22648867 is about 282.9320592565.

The spelling of 22648867 in words is "twenty-two million, six hundred forty-eight thousand, eight hundred sixty-seven".