231417222 has 16 divisors (see below), whose sum is σ = 463760640. Its totient is φ = 76984712.

The previous prime is 231417217. The next prime is 231417223. The reversal of 231417222 is 222714132.

231417222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231417192 and 231417201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231417223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35322 + ... + 41357.

It is an arithmetic number, because the mean of its divisors is an integer number (28985040).

Almost surely, 2^231417222 is an apocalyptic number.

231417222 is an abundant number, since it is smaller than the sum of its proper divisors (232343418).

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

231417222 is a wasteful number, since it uses less digits than its factorization.

231417222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77187.

The product of its digits is 1344, while the sum is 24.

The square root of 231417222 is about 15212.4035576236. The cubic root of 231417222 is about 613.9484283663.

The spelling of 231417222 in words is "two hundred thirty-one million, four hundred seventeen thousand, two hundred twenty-two".