2243244642 has 8 divisors (see below), whose sum is σ = 4486489296. Its totient is φ = 747748212.

The previous prime is 2243244607. The next prime is 2243244649. The reversal of 2243244642 is 2464423422.

It is a sphenic number, since it is the product of 3 distinct primes.

2243244642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2243244649) 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, 186937048 + ... + 186937059.

It is an arithmetic number, because the mean of its divisors is an integer number (560811162).

Almost surely, 2^2243244642 is an apocalyptic number.

2243244642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243244642 is a wasteful number, since it uses less digits than its factorization.

2243244642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373874112.

The product of its digits is 73728, while the sum is 33.

The square root of 2243244642 is about 47362.9036483195. The cubic root of 2243244642 is about 1309.0579716188.

The spelling of 2243244642 in words is "two billion, two hundred forty-three million, two hundred forty-four thousand, six hundred forty-two".