2193274238 has 16 divisors (see below), whose sum is σ = 3323358720. Its totient is φ = 1085508000.

The previous prime is 2193274231. The next prime is 2193274289. The reversal of 2193274238 is 8324723912.

It is a junction number, because it is equal to n+sod(n) for n = 2193274195 and 2193274204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193274231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246548 + ... + 255288.

It is an arithmetic number, because the mean of its divisors is an integer number (207709920).

Almost surely, 2^2193274238 is an apocalyptic number.

2193274238 is a deficient number, since it is larger than the sum of its proper divisors (1130084482).

2193274238 is a wasteful number, since it uses less digits than its factorization.

2193274238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003.

The product of its digits is 145152, while the sum is 41.

The square root of 2193274238 is about 46832.4058532124. The cubic root of 2193274238 is about 1299.2647199041.

The spelling of 2193274238 in words is "two billion, one hundred ninety-three million, two hundred seventy-four thousand, two hundred thirty-eight".