2290172869 has 4 divisors (see below), whose sum is σ = 2294074944. Its totient is φ = 2286270796.

The previous prime is 2290172779. The next prime is 2290172887. The reversal of 2290172869 is 9682710922.

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 2290172869 - 2⁷ = 2290172741 is a prime.

It is a super-2 number, since 2×2290172869² = 10489783539807382322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290172569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1950157 + ... + 1951330.

It is an arithmetic number, because the mean of its divisors is an integer number (573518736).

Almost surely, 2^2290172869 is an apocalyptic number.

It is an amenable number.

2290172869 is a deficient number, since it is larger than the sum of its proper divisors (3902075).

2290172869 is an equidigital number, since it uses as much as digits as its factorization.

2290172869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902074.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2290172869 is about 47855.7506366790. The cubic root of 2290172869 is about 1318.1234563054.

The spelling of 2290172869 in words is "two billion, two hundred ninety million, one hundred seventy-two thousand, eight hundred sixty-nine".