22448864 has 12 divisors (see below), whose sum is σ = 44196264. Its totient is φ = 11224416.

The previous prime is 22448863. The next prime is 22448869. The reversal of 22448864 is 46884422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448863) 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, 350732 + ... + 350795.

It is an arithmetic number, because the mean of its divisors is an integer number (3683022).

Almost surely, 2^22448864 is an apocalyptic number.

It is an amenable number.

22448864 is a deficient number, since it is larger than the sum of its proper divisors (21747400).

22448864 is an equidigital number, since it uses as much as digits as its factorization.

22448864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701537 (or 701529 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The square root of 22448864 is about 4738.0232164902. The cubic root of 22448864 is about 282.0967761337.

The spelling of 22448864 in words is "twenty-two million, four hundred forty-eight thousand, eight hundred sixty-four".