22293868 has 12 divisors (see below), whose sum is σ = 41309352. Its totient is φ = 10491200.

The previous prime is 22293863. The next prime is 22293881. The reversal of 22293868 is 86839222.

It is a self number, because there is not a number n which added to its sum of digits gives 22293868.

It is not an unprimeable number, because it can be changed into a prime (22293863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163858 + ... + 163993.

It is an arithmetic number, because the mean of its divisors is an integer number (3442446).

Almost surely, 2^22293868 is an apocalyptic number.

It is an amenable number.

22293868 is a deficient number, since it is larger than the sum of its proper divisors (19015484).

22293868 is a wasteful number, since it uses less digits than its factorization.

22293868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327872 (or 327870 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 22293868 is about 4721.6382750058. The cubic root of 22293868 is about 281.4460395862.

The spelling of 22293868 in words is "twenty-two million, two hundred ninety-three thousand, eight hundred sixty-eight".