230992220 has 48 divisors (see below), whose sum is σ = 507608640. Its totient is φ = 88129536.

The previous prime is 230992207. The next prime is 230992231. The reversal of 230992220 is 22299032.

230992220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299996 + ... + 300764.

It is an arithmetic number, because the mean of its divisors is an integer number (10575180).

Almost surely, 2^230992220 is an apocalyptic number.

230992220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230992220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253804320).

230992220 is an abundant number, since it is smaller than the sum of its proper divisors (276616420).

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

230992220 is a wasteful number, since it uses less digits than its factorization.

230992220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 230992220 is about 15198.4282082063. The cubic root of 230992220 is about 613.5723555100.

The spelling of 230992220 in words is "two hundred thirty million, nine hundred ninety-two thousand, two hundred twenty".