2223445669 has 4 divisors (see below), whose sum is σ = 2259895660. Its totient is φ = 2186995680.

The previous prime is 2223445663. The next prime is 2223445687. The reversal of 2223445669 is 9665443222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 931043169 + 1292402500 = 30513^2 + 35950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223445669 - 2³ = 2223445661 is a prime.

It is a super-2 number, since 2×2223445669² = 9887421285989715122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223445661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18224904 + ... + 18225025.

It is an arithmetic number, because the mean of its divisors is an integer number (564973915).

Almost surely, 2^2223445669 is an apocalyptic number.

It is an amenable number.

2223445669 is a deficient number, since it is larger than the sum of its proper divisors (36449991).

2223445669 is an equidigital number, since it uses as much as digits as its factorization.

2223445669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36449990.

The product of its digits is 622080, while the sum is 43.

The square root of 2223445669 is about 47153.4269062175. The cubic root of 2223445669 is about 1305.1953180642.

The spelling of 2223445669 in words is "two billion, two hundred twenty-three million, four hundred forty-five thousand, six hundred sixty-nine".