22994742 has 16 divisors (see below), whose sum is σ = 46067760. Its totient is φ = 7651872.

The previous prime is 22994737. The next prime is 22994753. The reversal of 22994742 is 24749922.

It is a self number, because there is not a number n which added to its sum of digits gives 22994742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984 + ... + 6852.

It is an arithmetic number, because the mean of its divisors is an integer number (2879235).

Almost surely, 2^22994742 is an apocalyptic number.

22994742 is an abundant number, since it is smaller than the sum of its proper divisors (23073018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22994742 is a wasteful number, since it uses less digits than its factorization.

22994742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527.

The product of its digits is 72576, while the sum is 39.

The square root of 22994742 is about 4795.2833075847. The cubic root of 22994742 is about 284.3650252429.

The spelling of 22994742 in words is "twenty-two million, nine hundred ninety-four thousand, seven hundred forty-two".