4222212826172 has 48 divisors (see below), whose sum is σ = 8085470047200. Its totient is φ = 1913268476160.

The previous prime is 4222212826159. The next prime is 4222212826187. The reversal of 4222212826172 is 2716282122224.

It is a super-2 number, since 2×4222212826172² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33707354 + ... + 33832382.

It is an arithmetic number, because the mean of its divisors is an integer number (168447292650).

Almost surely, 2^{4222212826172} is an apocalyptic number.

It is an amenable number.

4222212826172 is a deficient number, since it is larger than the sum of its proper divisors (3863257221028).

4222212826172 is a wasteful number, since it uses less digits than its factorization.

4222212826172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127406 (or 127404 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

Adding to 4222212826172 its reverse (2716282122224), we get a palindrome (6938494948396).

The spelling of 4222212826172 in words is "four trillion, two hundred twenty-two billion, two hundred twelve million, eight hundred twenty-six thousand, one hundred seventy-two".