230221000 has 32 divisors (see below), whose sum is σ = 538719480. Its totient is φ = 92088000.

The previous prime is 230220877. The next prime is 230221031. The reversal of 230221000 is 122032.

230221000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24068836 + 206152164 = 4906^2 + 14358^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114111 + ... + 116110.

Almost surely, 2^230221000 is an apocalyptic number.

230221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230221000 is an abundant number, since it is smaller than the sum of its proper divisors (308498480).

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

230221000 is a wasteful number, since it uses less digits than its factorization.

230221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230242 (or 230228 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 230221000 is about 15173.0352929135. The cubic root of 230221000 is about 612.8887439166. Note that the first 3 decimals are identical.

Adding to 230221000 its reverse (122032), we get a palindrome (230343032).

The spelling of 230221000 in words is "two hundred thirty million, two hundred twenty-one thousand".