2238389722 has 8 divisors (see below), whose sum is σ = 3367548756. Its totient is φ = 1115873472.

The previous prime is 2238389719. The next prime is 2238389743. The reversal of 2238389722 is 2279838322.

It can be written as a sum of positive squares in 2 ways, for example, as 2098464481 + 139925241 = 45809^2 + 11829^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659853 + ... + 1661200.

Almost surely, 2^2238389722 is an apocalyptic number.

2238389722 is a deficient number, since it is larger than the sum of its proper divisors (1129159034).

2238389722 is a wasteful number, since it uses less digits than its factorization.

2238389722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321392.

The product of its digits is 580608, while the sum is 46.

The square root of 2238389722 is about 47311.6235400985. The cubic root of 2238389722 is about 1308.1129175991.

The spelling of 2238389722 in words is "two billion, two hundred thirty-eight million, three hundred eighty-nine thousand, seven hundred twenty-two".