2243244638 has 8 divisors (see below), whose sum is σ = 3368108640. Its totient is φ = 1120542798.

The previous prime is 2243244607. The next prime is 2243244649. The reversal of 2243244638 is 8364423422.

2243244638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158523 + ... + 2159561.

It is an arithmetic number, because the mean of its divisors is an integer number (421013580).

Almost surely, 2^2243244638 is an apocalyptic number.

2243244638 is a deficient number, since it is larger than the sum of its proper divisors (1124864002).

2243244638 is an frugal number, since it uses more digits than its factorization.

2243244638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119 (or 1041 counting only the distinct ones).

The product of its digits is 221184, while the sum is 38.

The square root of 2243244638 is about 47362.9036060924. The cubic root of 2243244638 is about 1309.0579708408.

The spelling of 2243244638 in words is "two billion, two hundred forty-three million, two hundred forty-four thousand, six hundred thirty-eight".