2244538538 has 8 divisors (see below), whose sum is σ = 3672881280. Its totient is φ = 1020244780.

The previous prime is 2244538507. The next prime is 2244538579. The reversal of 2244538538 is 8358354422.

It is a happy number.

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

It is a Curzon 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, 51012218 + ... + 51012261.

It is an arithmetic number, because the mean of its divisors is an integer number (459110160).

Almost surely, 2^2244538538 is an apocalyptic number.

2244538538 is a deficient number, since it is larger than the sum of its proper divisors (1428342742).

2244538538 is a wasteful number, since it uses less digits than its factorization.

2244538538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102024492.

The product of its digits is 921600, while the sum is 44.

The square root of 2244538538 is about 47376.5610613518. The cubic root of 2244538538 is about 1309.3096099956.

The spelling of 2244538538 in words is "two billion, two hundred forty-four million, five hundred thirty-eight thousand, five hundred thirty-eight".