2204859869 has 6 divisors (see below), whose sum is σ = 2225670174. Its totient is φ = 2184242360.

The previous prime is 2204859851. The next prime is 2204859893. The reversal of 2204859869 is 9689584022.

It can be written as a sum of positive squares in only one way, i.e., 2156487844 + 48372025 = 46438^2 + 6955^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2204859869 is a prime.

It is a super-2 number, since 2×2204859869² = 9722814083853394322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2204859869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204859809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84842 + ... + 107739.

It is an arithmetic number, because the mean of its divisors is an integer number (370945029).

Almost surely, 2^2204859869 is an apocalyptic number.

It is an amenable number.

2204859869 is a deficient number, since it is larger than the sum of its proper divisors (20810305).

2204859869 is an equidigital number, since it uses as much as digits as its factorization.

2204859869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192795 (or 192688 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 2204859869 is about 46955.9353969229. The cubic root of 2204859869 is about 1301.5484249645.

The spelling of 2204859869 in words is "two billion, two hundred four million, eight hundred fifty-nine thousand, eight hundred sixty-nine".