22768449 has 12 divisors (see below), whose sum is σ = 33369168. Its totient is φ = 13798840.

The previous prime is 22768399. The next prime is 22768453. The reversal of 22768449 is 94486722.

It is not a de Polignac number, because 22768449 - 2¹² = 22764353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22768449.

It is not an unprimeable number, because it can be changed into a prime (22768469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30999 + ... + 31724.

It is an arithmetic number, because the mean of its divisors is an integer number (2780764).

Almost surely, 2^22768449 is an apocalyptic number.

It is an amenable number.

22768449 is a deficient number, since it is larger than the sum of its proper divisors (10600719).

22768449 is a wasteful number, since it uses less digits than its factorization.

22768449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62748 (or 62737 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 22768449 is about 4771.6295958509. The cubic root of 22768449 is about 283.4291291607.

The spelling of 22768449 in words is "twenty-two million, seven hundred sixty-eight thousand, four hundred forty-nine".