3123132222 has 32 divisors (see below), whose sum is σ = 7142284800. Its totient is φ = 891861408.

The previous prime is 3123132193. The next prime is 3123132241. The reversal of 3123132222 is 2222313213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67404 + ... + 103872.

It is an arithmetic number, because the mean of its divisors is an integer number (223196400).

Almost surely, 2^3123132222 is an apocalyptic number.

3123132222 is an abundant number, since it is smaller than the sum of its proper divisors (4019152578).

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

3123132222 is a wasteful number, since it uses less digits than its factorization.

3123132222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38520.

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

The square root of 3123132222 is about 55884.9910262138. The cubic root of 3123132222 is about 1461.7175355363.

Adding to 3123132222 its reverse (2222313213), we get a palindrome (5345445435).

The spelling of 3123132222 in words is "three billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred twenty-two".