2243161838 has 4 divisors (see below), whose sum is σ = 3364742760. Its totient is φ = 1121580918.

The previous prime is 2243161813. The next prime is 2243161841. The reversal of 2243161838 is 8381613422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560790458 + ... + 560790461.

It is an arithmetic number, because the mean of its divisors is an integer number (841185690).

Almost surely, 2^2243161838 is an apocalyptic number.

2243161838 is a deficient number, since it is larger than the sum of its proper divisors (1121580922).

2243161838 is a wasteful number, since it uses less digits than its factorization.

2243161838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121580921.

The product of its digits is 55296, while the sum is 38.

The square root of 2243161838 is about 47362.0294962114. The cubic root of 2243161838 is about 1309.0418645080.

The spelling of 2243161838 in words is "two billion, two hundred forty-three million, one hundred sixty-one thousand, eight hundred thirty-eight".