2316222 has 32 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 757944.

The previous prime is 2316203. The next prime is 2316239. The reversal of 2316222 is 2226132.

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

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2316195 and 2316204.

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, 2823 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^2316222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2316222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620800).

2316222 is an abundant number, since it is smaller than the sum of its proper divisors (2925378).

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

2316222 is a wasteful number, since it uses less digits than its factorization.

2316222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 791 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2316222 is about 1521.9139266069. The cubic root of 2316222 is about 132.3102207744.

The spelling of 2316222 in words is "two million, three hundred sixteen thousand, two hundred twenty-two".