22981230 has 48 divisors (see below), whose sum is σ = 61686144. Its totient is φ = 5929920.

The previous prime is 22981213. The next prime is 22981243. The reversal of 22981230 is 3218922.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22981194 and 22981203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1329 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (1285128).

Almost surely, 2^22981230 is an apocalyptic number.

22981230 is an abundant number, since it is smaller than the sum of its proper divisors (38704914).

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

22981230 is a wasteful number, since it uses less digits than its factorization.

22981230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281 (or 8278 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22981230 is about 4793.8742161221. The cubic root of 22981230 is about 284.3093155061.

The spelling of 22981230 in words is "twenty-two million, nine hundred eighty-one thousand, two hundred thirty".