22998722 has 16 divisors (see below), whose sum is σ = 37379232. Its totient is φ = 10570560.

The previous prime is 22998713. The next prime is 22998727. The reversal of 22998722 is 22789922.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22998722.

It is not an unprimeable number, because it can be changed into a prime (22998727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6404 + ... + 9327.

It is an arithmetic number, because the mean of its divisors is an integer number (2336202).

Almost surely, 2^22998722 is an apocalyptic number.

22998722 is a deficient number, since it is larger than the sum of its proper divisors (14380510).

22998722 is a wasteful number, since it uses less digits than its factorization.

22998722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793.

The product of its digits is 72576, while the sum is 41.

The square root of 22998722 is about 4795.6982807512. The cubic root of 22998722 is about 284.3814305514.

The spelling of 22998722 in words is "twenty-two million, nine hundred ninety-eight thousand, seven hundred twenty-two".