2220214100 has 72 divisors (see below), whose sum is σ = 5215942200. Its totient is φ = 815431680.

The previous prime is 2220214099. The next prime is 2220214109. The reversal of 2220214100 is 14120222.

It can be written as a sum of positive squares in 12 ways, for example, as 1979716036 + 240498064 = 44494^2 + 15508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220214109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246476 + ... + 255324.

Almost surely, 2^2220214100 is an apocalyptic number.

2220214100 is a gapful number since it is divisible by the number (20) 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 2220214100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607971100).

2220214100 is an abundant number, since it is smaller than the sum of its proper divisors (2995728100).

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

2220214100 is a wasteful number, since it uses less digits than its factorization.

2220214100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9069 (or 9062 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2220214100 is about 47119.1479124994. The cubic root of 2220214100 is about 1304.5626852929.

Adding to 2220214100 its reverse (14120222), we get a palindrome (2234334322).

The spelling of 2220214100 in words is "two billion, two hundred twenty million, two hundred fourteen thousand, one hundred".