221116022 has 4 divisors (see below), whose sum is σ = 331674036. Its totient is φ = 110558010.

The previous prime is 221116009. The next prime is 221116031. The reversal of 221116022 is 220611122.

221116022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55279004 + ... + 55279007.

It is an arithmetic number, because the mean of its divisors is an integer number (82918509).

Almost surely, 2^221116022 is an apocalyptic number.

221116022 is a deficient number, since it is larger than the sum of its proper divisors (110558014).

221116022 is a wasteful number, since it uses less digits than its factorization.

221116022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110558013.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 221116022 is about 14869.9704774421. The cubic root of 221116022 is about 604.7001423691.

Adding to 221116022 its reverse (220611122), we get a palindrome (441727144).

The spelling of 221116022 in words is "two hundred twenty-one million, one hundred sixteen thousand, twenty-two".