2220321100 has 36 divisors (see below), whose sum is σ = 5027584464. Its totient is φ = 849513280.

The previous prime is 2220321097. The next prime is 2220321101. The reversal of 2220321100 is 11230222.

It is a super-4 number, since 4×2220321100⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220321101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480379 + ... + 484978.

It is an arithmetic number, because the mean of its divisors is an integer number (139655124).

Almost surely, 2^2220321100 is an apocalyptic number.

2220321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220321100 is an abundant number, since it is smaller than the sum of its proper divisors (2807263364).

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

2220321100 is a wasteful number, since it uses less digits than its factorization.

2220321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965394 (or 965387 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2220321100 is about 47120.2833183333. The cubic root of 2220321100 is about 1304.5836421254.

Adding to 2220321100 its reverse (11230222), we get a palindrome (2231551322).

The spelling of 2220321100 in words is "two billion, two hundred twenty million, three hundred twenty-one thousand, one hundred".