3123222000 has 160 divisors (see below), whose sum is σ = 10121090304. Its totient is φ = 828576000.

The previous prime is 3123221993. The next prime is 3123222013. The reversal of 3123222000 is 2223213.

It is a super-2 number, since 2×3123222000² = 19509031322568000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1264767 + ... + 1267233.

Almost surely, 2^3123222000 is an apocalyptic number.

3123222000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5060545152).

3123222000 is an abundant number, since it is smaller than the sum of its proper divisors (6997868304).

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

3123222000 is a wasteful number, since it uses less digits than its factorization.

3123222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3123222000 is about 55885.7942593643. The cubic root of 3123222000 is about 1461.7315416483.

Adding to 3123222000 its reverse (2223213), we get a palindrome (3125445213).

The spelling of 3123222000 in words is "three billion, one hundred twenty-three million, two hundred twenty-two thousand".