243194122 has 8 divisors (see below), whose sum is σ = 367416000. Its totient is φ = 120722124.

The previous prime is 243194117. The next prime is 243194123. The reversal of 243194122 is 221491342.

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

It is not an unprimeable number, because it can be changed into a prime (243194123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437122 + ... + 437677.

It is an arithmetic number, because the mean of its divisors is an integer number (45927000).

Almost surely, 2^243194122 is an apocalyptic number.

243194122 is a deficient number, since it is larger than the sum of its proper divisors (124221878).

243194122 is a wasteful number, since it uses less digits than its factorization.

243194122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874940.

The product of its digits is 3456, while the sum is 28.

The square root of 243194122 is about 15594.6824911570. The cubic root of 243194122 is about 624.1912714243.

It can be divided in two parts, 24319 and 4122, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 243194122 in words is "two hundred forty-three million, one hundred ninety-four thousand, one hundred twenty-two".