2220323100 has 36 divisors (see below), whose sum is σ = 6424135704. Its totient is φ = 592086080.

The previous prime is 2220323089. The next prime is 2220323129. The reversal of 2220323100 is 13230222.

It is a super-2 number, since 2×2220323100² = 9859669336787220000, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2220323100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3700239 + ... + 3700838.

It is an arithmetic number, because the mean of its divisors is an integer number (178448214).

Almost surely, 2^2220323100 is an apocalyptic number.

2220323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220323100 is an abundant number, since it is smaller than the sum of its proper divisors (4203812604).

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

2220323100 is a wasteful number, since it uses less digits than its factorization.

2220323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401094 (or 7401087 counting only the distinct ones).

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

The square root of 2220323100 is about 47120.3045406118. The cubic root of 2220323100 is about 1304.5840338355.

Adding to 2220323100 its reverse (13230222), we get a palindrome (2233553322).

The spelling of 2220323100 in words is "two billion, two hundred twenty million, three hundred twenty-three thousand, one hundred".