243248422 has 4 divisors (see below), whose sum is σ = 364872636. Its totient is φ = 121624210.

The previous prime is 243248407. The next prime is 243248441. The reversal of 243248422 is 224842342.

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, 60812104 + ... + 60812107.

It is an arithmetic number, because the mean of its divisors is an integer number (91218159).

Almost surely, 2^243248422 is an apocalyptic number.

243248422 is a deficient number, since it is larger than the sum of its proper divisors (121624214).

243248422 is a wasteful number, since it uses less digits than its factorization.

243248422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121624213.

The product of its digits is 24576, while the sum is 31.

The square root of 243248422 is about 15596.4233720427. The cubic root of 243248422 is about 624.2377241147.

The spelling of 243248422 in words is "two hundred forty-three million, two hundred forty-eight thousand, four hundred twenty-two".