22748744 has 16 divisors (see below), whose sum is σ = 42748800. Its totient is φ = 11349072.

The previous prime is 22748743. The next prime is 22748749. The reversal of 22748744 is 44784722.

It is a junction number, because it is equal to n+sod(n) for n = 22748698 and 22748707.

It is not an unprimeable number, because it can be changed into a prime (22748741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (2671800).

Almost surely, 2^22748744 is an apocalyptic number.

It is an amenable number.

22748744 is a deficient number, since it is larger than the sum of its proper divisors (20000056).

22748744 is a wasteful number, since it uses less digits than its factorization.

22748744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332 (or 6328 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 22748744 is about 4769.5643406919. The cubic root of 22748744 is about 283.3473407915.

The spelling of 22748744 in words is "twenty-two million, seven hundred forty-eight thousand, seven hundred forty-four".