12440042222 has 8 divisors (see below), whose sum is σ = 18663515472. Its totient is φ = 6218870400.

The previous prime is 12440042221. The next prime is 12440042249. The reversal of 12440042222 is 22224004421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440042221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561779 + ... + 583502.

It is an arithmetic number, because the mean of its divisors is an integer number (2332939434).

Almost surely, 2^12440042222 is an apocalyptic number.

12440042222 is a deficient number, since it is larger than the sum of its proper divisors (6223473250).

12440042222 is a wasteful number, since it uses less digits than its factorization.

12440042222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150714.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 12440042222 its reverse (22224004421), we get a palindrome (34664046643).

The spelling of 12440042222 in words is "twelve billion, four hundred forty million, forty-two thousand, two hundred twenty-two".