22705244 has 12 divisors (see below), whose sum is σ = 39807768. Its totient is φ = 11331600.

The previous prime is 22705223. The next prime is 22705261. The reversal of 22705244 is 44250722.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2687 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (3317314).

Almost surely, 2^22705244 is an apocalyptic number.

It is an amenable number.

22705244 is a deficient number, since it is larger than the sum of its proper divisors (17102524).

22705244 is a wasteful number, since it uses less digits than its factorization.

22705244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10516 (or 10514 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 22705244 is about 4765.0019937037. The cubic root of 22705244 is about 283.1666205725.

Adding to 22705244 its reverse (44250722), we get a palindrome (66955966).

The spelling of 22705244 in words is "twenty-two million, seven hundred five thousand, two hundred forty-four".