22943892 has 12 divisors (see below), whose sum is σ = 53535776. Its totient is φ = 7647960.

The previous prime is 22943881. The next prime is 22943909. The reversal of 22943892 is 29834922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22943892.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 955984 + ... + 956007.

Almost surely, 2^22943892 is an apocalyptic number.

It is an amenable number.

22943892 is an abundant number, since it is smaller than the sum of its proper divisors (30591884).

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

22943892 is a wasteful number, since it uses less digits than its factorization.

22943892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911998 (or 1911996 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 22943892 is about 4789.9782880510. The cubic root of 22943892 is about 284.1552579629.

The spelling of 22943892 in words is "twenty-two million, nine hundred forty-three thousand, eight hundred ninety-two".