22831830 has 48 divisors (see below), whose sum is σ = 67845024. Its totient is φ = 5218560.

The previous prime is 22831829. The next prime is 22831843. The reversal of 22831830 is 3813822.

It is a super-2 number, since 2×22831830² = 1042584922297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22831794 and 22831803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17491 + ... + 18750.

It is an arithmetic number, because the mean of its divisors is an integer number (1413438).

Almost surely, 2^22831830 is an apocalyptic number.

22831830 is an abundant number, since it is smaller than the sum of its proper divisors (45013194).

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

22831830 is a wasteful number, since it uses less digits than its factorization.

22831830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36261 (or 36258 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22831830 is about 4778.2664220405. The cubic root of 22831830 is about 283.6918813349.

The spelling of 22831830 in words is "twenty-two million, eight hundred thirty-one thousand, eight hundred thirty".