220100222 has 4 divisors (see below), whose sum is σ = 330150336. Its totient is φ = 110050110.

The previous prime is 220100171. The next prime is 220100291. The reversal of 220100222 is 222001022.

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, 55025054 + ... + 55025057.

It is an arithmetic number, because the mean of its divisors is an integer number (82537584).

Almost surely, 2^220100222 is an apocalyptic number.

220100222 is a deficient number, since it is larger than the sum of its proper divisors (110050114).

220100222 is a wasteful number, since it uses less digits than its factorization.

220100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110050113.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 220100222 is about 14835.7750724389. The cubic root of 220100222 is about 603.7727296488.

Adding to 220100222 its reverse (222001022), we get a palindrome (442101244).

The spelling of 220100222 in words is "two hundred twenty million, one hundred thousand, two hundred twenty-two".