2199674881 has 4 divisors (see below), whose sum is σ = 2226177072. Its totient is φ = 2173172692.

The previous prime is 2199674849. The next prime is 2199674891. The reversal of 2199674881 is 1884769912.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2199674881 - 2⁵ = 2199674849 is a prime.

It is a super-2 number, since 2×2199674881² = 9677139164204728322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2199674831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13250971 + ... + 13251136.

It is an arithmetic number, because the mean of its divisors is an integer number (556544268).

Almost surely, 2^2199674881 is an apocalyptic number.

It is an amenable number.

2199674881 is a deficient number, since it is larger than the sum of its proper divisors (26502191).

2199674881 is an equidigital number, since it uses as much as digits as its factorization.

2199674881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26502190.

The product of its digits is 1741824, while the sum is 55.

The square root of 2199674881 is about 46900.6916899954. The cubic root of 2199674881 is about 1300.5273759693.

The spelling of 2199674881 in words is "two billion, one hundred ninety-nine million, six hundred seventy-four thousand, eight hundred eighty-one".