422220431232100 has 72 divisors (see below), whose sum is σ = 947821329927360. Its totient is φ = 163062849559680.

The previous prime is 422220431232049. The next prime is 422220431232121. The reversal of 422220431232100 is 1232134022224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321369129 + ... + 322680271.

It is an arithmetic number, because the mean of its divisors is an integer number (13164185137880).

Almost surely, 2^{422220431232100} is an apocalyptic number.

It is an amenable number.

422220431232100 is an abundant number, since it is smaller than the sum of its proper divisors (525600898695260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422220431232100 is a wasteful number, since it uses less digits than its factorization.

422220431232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422229 (or 1422222 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 422220431232100 its reverse (1232134022224), we get a palindrome (423452565254324).

The spelling of 422220431232100 in words is "four hundred twenty-two trillion, two hundred twenty billion, four hundred thirty-one million, two hundred thirty-two thousand, one hundred".