2220201000 has 96 divisors (see below), whose sum is σ = 7504309800. Its totient is φ = 592051200.

The previous prime is 2220200989. The next prime is 2220201013. The reversal of 2220201000 is 1020222.

It can be written as a sum of positive squares in 4 ways, for example, as 198979236 + 2021221764 = 14106^2 + 44958^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114345 + ... + 132344.

Almost surely, 2^2220201000 is an apocalyptic number.

2220201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220201000 is an abundant number, since it is smaller than the sum of its proper divisors (5284108800).

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

2220201000 is a wasteful number, since it uses less digits than its factorization.

2220201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246716 (or 246699 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2220201000 is about 47119.0089029895. The cubic root of 2220201000 is about 1304.5601195036.

Adding to 2220201000 its reverse (1020222), we get a palindrome (2221221222).

The spelling of 2220201000 in words is "two billion, two hundred twenty million, two hundred one thousand".