22874772 has 24 divisors (see below), whose sum is σ = 54280800. Its totient is φ = 7495456.

The previous prime is 22874749. The next prime is 22874773. The reversal of 22874772 is 27747822.

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 22874772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22874773) 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 in 7 ways as a sum of consecutive naturals, for example, 15447 + ... + 16862.

It is an arithmetic number, because the mean of its divisors is an integer number (2261700).

Almost surely, 2^22874772 is an apocalyptic number.

It is an amenable number.

22874772 is an abundant number, since it is smaller than the sum of its proper divisors (31406028).

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

22874772 is a wasteful number, since it uses less digits than its factorization.

22874772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32375 (or 32373 counting only the distinct ones).

The product of its digits is 87808, while the sum is 39.

The square root of 22874772 is about 4782.7577818660. The cubic root of 22874772 is about 283.8696254063.

The spelling of 22874772 in words is "twenty-two million, eight hundred seventy-four thousand, seven hundred seventy-two".