12400422022 has 8 divisors (see below), whose sum is σ = 18638517672. Its totient is φ = 6187582800.

The previous prime is 12400422019. The next prime is 12400422043. The reversal of 12400422022 is 22022400421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6312879 + ... + 6314842.

It is an arithmetic number, because the mean of its divisors is an integer number (2329814709).

Almost surely, 2^12400422022 is an apocalyptic number.

12400422022 is a deficient number, since it is larger than the sum of its proper divisors (6238095650).

12400422022 is a wasteful number, since it uses less digits than its factorization.

12400422022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628214.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 12400422022 its reverse (22022400421), we get a palindrome (34422822443).

The spelling of 12400422022 in words is "twelve billion, four hundred million, four hundred twenty-two thousand, twenty-two".