230142222 has 20 divisors (see below), whose sum is σ = 515689416. Its totient is φ = 76714020.

The previous prime is 230142197. The next prime is 230142281. The reversal of 230142222 is 222241032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 230142195 and 230142204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 710154 + ... + 710477.

Almost surely, 2^230142222 is an apocalyptic number.

230142222 is an abundant number, since it is smaller than the sum of its proper divisors (285547194).

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

230142222 is a wasteful number, since it uses less digits than its factorization.

230142222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420645 (or 1420636 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 230142222 is about 15170.4390839553. The cubic root of 230142222 is about 612.8188289832.

Adding to 230142222 its reverse (222241032), we get a palindrome (452383254).

The spelling of 230142222 in words is "two hundred thirty million, one hundred forty-two thousand, two hundred twenty-two".