3132312222 has 64 divisors (see below), whose sum is σ = 7168331520. Its totient is φ = 904483584.

The previous prime is 3132312193. The next prime is 3132312233. The reversal of 3132312222 is 2222132313.

It is a happy number.

It is a super-2 number, since 2×3132312222² = 19622759712181154568, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148698 + ... + 168450.

It is an arithmetic number, because the mean of its divisors is an integer number (112005180).

Almost surely, 2^3132312222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3132312222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3584165760).

3132312222 is an abundant number, since it is smaller than the sum of its proper divisors (4036019298).

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

3132312222 is a wasteful number, since it uses less digits than its factorization.

3132312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19897.

The product of its digits is 864, while the sum is 21.

The square root of 3132312222 is about 55967.0637250160. The cubic root of 3132312222 is about 1463.1483044067.

Adding to 3132312222 its reverse (2222132313), we get a palindrome (5354444535).

The spelling of 3132312222 in words is "three billion, one hundred thirty-two million, three hundred twelve thousand, two hundred twenty-two".