12400226222 has 32 divisors (see below), whose sum is σ = 19519315200. Its totient is φ = 5901497280.

The previous prime is 12400226221. The next prime is 12400226243. The reversal of 12400226222 is 22262200421.

It is a super-2 number, since 2×12400226222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400226221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4593029 + ... + 4595727.

It is an arithmetic number, because the mean of its divisors is an integer number (609978600).

Almost surely, 2^12400226222 is an apocalyptic number.

12400226222 is a deficient number, since it is larger than the sum of its proper divisors (7119088978).

12400226222 is a wasteful number, since it uses less digits than its factorization.

12400226222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12400226222 its reverse (22262200421), we get a palindrome (34662426643).

The spelling of 12400226222 in words is "twelve billion, four hundred million, two hundred twenty-six thousand, two hundred twenty-two".