243240100222 has 24 divisors (see below), whose sum is σ = 446767534440. Its totient is φ = 98759137680.

The previous prime is 243240100199. The next prime is 243240100223. The reversal of 243240100222 is 222001042342.

It is a junction number, because it is equal to n+sod(n) for n = 243240100193 and 243240100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243240100223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65315029 + ... + 65318752.

It is an arithmetic number, because the mean of its divisors is an integer number (18615313935).

Almost surely, 2^243240100222 is an apocalyptic number.

243240100222 is a deficient number, since it is larger than the sum of its proper divisors (203527434218).

243240100222 is a wasteful number, since it uses less digits than its factorization.

243240100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130633816 (or 130633809 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 243240100222 its reverse (222001042342), we get a palindrome (465241142564).

The spelling of 243240100222 in words is "two hundred forty-three billion, two hundred forty million, one hundred thousand, two hundred twenty-two".