2211899125 has 16 divisors (see below), whose sum is σ = 2761806528. Its totient is φ = 1768650000.

The previous prime is 2211899093. The next prime is 2211899143. The reversal of 2211899125 is 5219981122.

It is not a de Polignac number, because 2211899125 - 2⁵ = 2211899093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403654 + ... + 409096.

It is an arithmetic number, because the mean of its divisors is an integer number (172612908).

Almost surely, 2^2211899125 is an apocalyptic number.

2211899125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2211899125 is a deficient number, since it is larger than the sum of its proper divisors (549907403).

2211899125 is an equidigital number, since it uses as much as digits as its factorization.

2211899125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709 (or 8699 counting only the distinct ones).

The product of its digits is 25920, while the sum is 40.

The square root of 2211899125 is about 47030.8316426576. The cubic root of 2211899125 is about 1302.9320653776.

The spelling of 2211899125 in words is "two billion, two hundred eleven million, eight hundred ninety-nine thousand, one hundred twenty-five".