230122221 has 32 divisors (see below), whose sum is σ = 364953600. Its totient is φ = 126194880.

The previous prime is 230122213. The next prime is 230122229. The reversal of 230122221 is 122221032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230122213) and next prime (230122229).

It is not a de Polignac number, because 230122221 - 2³ = 230122213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230122229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107956 + ... + 110066.

It is an arithmetic number, because the mean of its divisors is an integer number (11404800).

Almost surely, 2^230122221 is an apocalyptic number.

230122221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230122221 is a deficient number, since it is larger than the sum of its proper divisors (134831379).

230122221 is a wasteful number, since it uses less digits than its factorization.

230122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 230122221 is about 15169.7798599716. The cubic root of 230122221 is about 612.8010756937.

Adding to 230122221 its reverse (122221032), we get a palindrome (352343253).

The spelling of 230122221 in words is "two hundred thirty million, one hundred twenty-two thousand, two hundred twenty-one".