2221013222 has 4 divisors (see below), whose sum is σ = 3331519836. Its totient is φ = 1110506610.

The previous prime is 2221013213. The next prime is 2221013237. The reversal of 2221013222 is 2223101222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2221013222.

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, 555253304 + ... + 555253307.

It is an arithmetic number, because the mean of its divisors is an integer number (832879959).

Almost surely, 2^2221013222 is an apocalyptic number.

2221013222 is a deficient number, since it is larger than the sum of its proper divisors (1110506614).

2221013222 is a wasteful number, since it uses less digits than its factorization.

2221013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110506613.

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

The square root of 2221013222 is about 47127.6269506539. The cubic root of 2221013222 is about 1304.7191836671.

Adding to 2221013222 its reverse (2223101222), we get a palindrome (4444114444).

The spelling of 2221013222 in words is "two billion, two hundred twenty-one million, thirteen thousand, two hundred twenty-two".