2238741698 has 6 divisors (see below), whose sum is σ = 3358212921. Its totient is φ = 1119337392.

The previous prime is 2238741641. The next prime is 2238741707. The reversal of 2238741698 is 8961478322.

It can be written as a sum of positive squares in 2 ways, for example, as 2199891409 + 38850289 = 46903^2 + 6233^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33457.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50186 + ... + 83642.

Almost surely, 2^2238741698 is an apocalyptic number.

2238741698 is a deficient number, since it is larger than the sum of its proper divisors (1119471223).

2238741698 is an frugal number, since it uses more digits than its factorization.

2238741698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66916 (or 33459 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 2238741698 is about 47315.3431563166. The cubic root of 2238741698 is about 1308.1814788237.

Multiplying 2238741698 by its sum of digits (50), we get a square (111937084900 = 334570²).

The spelling of 2238741698 in words is "two billion, two hundred thirty-eight million, seven hundred forty-one thousand, six hundred ninety-eight".