243320401222 has 4 divisors (see below), whose sum is σ = 364980601836. Its totient is φ = 121660200610.

The previous prime is 243320401201. The next prime is 243320401237. The reversal of 243320401222 is 222104023342.

243320401222 is digitally balanced in base 3, 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60830100304 + ... + 60830100307.

It is an arithmetic number, because the mean of its divisors is an integer number (91245150459).

Almost surely, 2^243320401222 is an apocalyptic number.

243320401222 is a deficient number, since it is larger than the sum of its proper divisors (121660200614).

243320401222 is a wasteful number, since it uses less digits than its factorization.

243320401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121660200613.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 243320401222 its reverse (222104023342), we get a palindrome (465424424564).

The spelling of 243320401222 in words is "two hundred forty-three billion, three hundred twenty million, four hundred one thousand, two hundred twenty-two".