2223889049 has 4 divisors (see below), whose sum is σ = 2223984000. Its totient is φ = 2223794100.

The previous prime is 2223889039. The next prime is 2223889081. The reversal of 2223889049 is 9409883222.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9409883222 = 2 ⋅4704941611.

It is a cyclic number.

It is not a de Polignac number, because 2223889049 - 2¹⁶ = 2223823513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2223888994 and 2223889012.

It is not an unprimeable number, because it can be changed into a prime (2223889039) 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, 15524 + ... + 68474.

It is an arithmetic number, because the mean of its divisors is an integer number (555996000).

Almost surely, 2^2223889049 is an apocalyptic number.

It is an amenable number.

2223889049 is a deficient number, since it is larger than the sum of its proper divisors (94951).

2223889049 is an equidigital number, since it uses as much as digits as its factorization.

2223889049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94950.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2223889049 is about 47158.1281329104. The cubic root of 2223889049 is about 1305.2820691590.

The spelling of 2223889049 in words is "two billion, two hundred twenty-three million, eight hundred eighty-nine thousand, forty-nine".