221103422 has 8 divisors (see below), whose sum is σ = 336198576. Its totient is φ = 109037232.

The previous prime is 221103403. The next prime is 221103427. The reversal of 221103422 is 224301122.

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

It is a super-2 number, since 2×221103422² = 97773446440220168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221103422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221103427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757058 + ... + 757349.

It is an arithmetic number, because the mean of its divisors is an integer number (42024822).

Almost surely, 2^221103422 is an apocalyptic number.

221103422 is a deficient number, since it is larger than the sum of its proper divisors (115095154).

221103422 is a wasteful number, since it uses less digits than its factorization.

221103422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514482.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 221103422 is about 14869.5467987427. The cubic root of 221103422 is about 604.6886561420.

Adding to 221103422 its reverse (224301122), we get a palindrome (445404544).

The spelling of 221103422 in words is "two hundred twenty-one million, one hundred three thousand, four hundred twenty-two".