22300312 has 16 divisors (see below), whose sum is σ = 42120360. Its totient is φ = 11068224.

The previous prime is 22300309. The next prime is 22300321. The reversal of 22300312 is 21300322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22300292 and 22300301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9078 + ... + 11269.

Almost surely, 2^22300312 is an apocalyptic number.

It is an amenable number.

22300312 is a deficient number, since it is larger than the sum of its proper divisors (19820048).

22300312 is a wasteful number, since it uses less digits than its factorization.

22300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20490 (or 20486 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22300312 is about 4722.3206159684. The cubic root of 22300312 is about 281.4731541208.

Adding to 22300312 its reverse (21300322), we get a palindrome (43600634).

The spelling of 22300312 in words is "twenty-two million, three hundred thousand, three hundred twelve".