2244603778 has 4 divisors (see below), whose sum is σ = 3366905670. Its totient is φ = 1122301888.

The previous prime is 2244603761. The next prime is 2244603811. The reversal of 2244603778 is 8773064422.

2244603778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1257198849 + 987404929 = 35457^2 + 31423^2 .

It is a super-2 number, since 2×2244603778² = 10076492240423746568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561150943 + ... + 561150946.

Almost surely, 2^2244603778 is an apocalyptic number.

2244603778 is a deficient number, since it is larger than the sum of its proper divisors (1122301892).

2244603778 is a wasteful number, since it uses less digits than its factorization.

2244603778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122301891.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 2244603778 is about 47377.2495824737. The cubic root of 2244603778 is about 1309.3222953843.

The spelling of 2244603778 in words is "two billion, two hundred forty-four million, six hundred three thousand, seven hundred seventy-eight".