2219041900 has 36 divisors (see below), whose sum is σ = 4841964400. Its totient is φ = 882705600.

The previous prime is 2219041889. The next prime is 2219041919. The reversal of 2219041900 is 91409122.

It is a happy number.

It is a super-2 number, since 2×2219041900² = 9848293907911220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43200 + ... + 79399.

Almost surely, 2^2219041900 is an apocalyptic number.

2219041900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2219041900 is an abundant number, since it is smaller than the sum of its proper divisors (2622922500).

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

2219041900 is a wasteful number, since it uses less digits than its factorization.

2219041900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122794 (or 122787 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2219041900 is about 47106.7075903209. The cubic root of 2219041900 is about 1304.3330561500. Note that the first 3 decimals are identical.

The spelling of 2219041900 in words is "two billion, two hundred nineteen million, forty-one thousand, nine hundred".