243650422 has 4 divisors (see below), whose sum is σ = 365475636. Its totient is φ = 121825210.

The previous prime is 243650417. The next prime is 243650423. The reversal of 243650422 is 224056342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243650423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60912604 + ... + 60912607.

It is an arithmetic number, because the mean of its divisors is an integer number (91368909).

Almost surely, 2^243650422 is an apocalyptic number.

243650422 is a deficient number, since it is larger than the sum of its proper divisors (121825214).

243650422 is a wasteful number, since it uses less digits than its factorization.

243650422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121825213.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 243650422 is about 15609.3056219679. The cubic root of 243650422 is about 624.5814131587.

The spelling of 243650422 in words is "two hundred forty-three million, six hundred fifty thousand, four hundred twenty-two".