221100033422 has 16 divisors (see below), whose sum is σ = 340992759744. Its totient is φ = 107455680000.

The previous prime is 221100033419. The next prime is 221100033431. The reversal of 221100033422 is 224330001122.

It is a junction number, because it is equal to n+sod(n) for n = 221100033394 and 221100033403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4952579 + ... + 4997022.

It is an arithmetic number, because the mean of its divisors is an integer number (21312047484).

Almost surely, 2^221100033422 is an apocalyptic number.

221100033422 is a deficient number, since it is larger than the sum of its proper divisors (119892726322).

221100033422 is a wasteful number, since it uses less digits than its factorization.

221100033422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949915.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221100033422 its reverse (224330001122), we get a palindrome (445430034544).

It can be divided in two parts, 2211000 and 33422, that added together give a palindrome (2244422).

The spelling of 221100033422 in words is "two hundred twenty-one billion, one hundred million, thirty-three thousand, four hundred twenty-two".