3123420222 has 64 divisors (see below), whose sum is σ = 7098174720. Its totient is φ = 908319744.

The previous prime is 3123420193. The next prime is 3123420239. The reversal of 3123420222 is 2220243213.

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, 689838 + ... + 694350.

It is an arithmetic number, because the mean of its divisors is an integer number (110908980).

Almost surely, 2^3123420222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123420222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3549087360).

3123420222 is an abundant number, since it is smaller than the sum of its proper divisors (3974754498).

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

3123420222 is a wasteful number, since it uses less digits than its factorization.

3123420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3123420222 is about 55887.5676872773. The cubic root of 3123420222 is about 1461.7624649726.

Adding to 3123420222 its reverse (2220243213), we get a palindrome (5343663435).

The spelling of 3123420222 in words is "three billion, one hundred twenty-three million, four hundred twenty thousand, two hundred twenty-two".