2202021200 has 30 divisors (see below), whose sum is σ = 5290356894. Its totient is φ = 880808320.

The previous prime is 2202021191. The next prime is 2202021253. The reversal of 2202021200 is 21202022.

It can be written as a sum of positive squares in 3 ways, for example, as 620209216 + 1581811984 = 24904^2 + 39772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2752127 + ... + 2752926.

Almost surely, 2^2202021200 is an apocalyptic number.

2202021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202021200 is an abundant number, since it is smaller than the sum of its proper divisors (3088335694).

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

2202021200 is a wasteful number, since it uses less digits than its factorization.

2202021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505071 (or 5505060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2202021200 is about 46925.6987161619. The cubic root of 2202021200 is about 1300.9896212160.

Adding to 2202021200 its reverse (21202022), we get a palindrome (2223223222).

The spelling of 2202021200 in words is "two billion, two hundred two million, twenty-one thousand, two hundred".