243422902 has 4 divisors (see below), whose sum is σ = 365134356. Its totient is φ = 121711450.

The previous prime is 243422899. The next prime is 243422909. The reversal of 243422902 is 209224342.

243422902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (243422909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60855724 + ... + 60855727.

It is an arithmetic number, because the mean of its divisors is an integer number (91283589).

Almost surely, 2^243422902 is an apocalyptic number.

243422902 is a deficient number, since it is larger than the sum of its proper divisors (121711454).

243422902 is a wasteful number, since it uses less digits than its factorization.

243422902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121711453.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 243422902 is about 15602.0159594842. The cubic root of 243422902 is about 624.3869418922.

The spelling of 243422902 in words is "two hundred forty-three million, four hundred twenty-two thousand, nine hundred two".