2221322210 has 16 divisors (see below), whose sum is σ = 4006034496. Its totient is φ = 886827888.

The previous prime is 2221322209. The next prime is 2221322219. The reversal of 2221322210 is 122231222.

2221322210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2221322219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207134 + ... + 217593.

It is an arithmetic number, because the mean of its divisors is an integer number (250377156).

Almost surely, 2^2221322210 is an apocalyptic number.

2221322210 is a deficient number, since it is larger than the sum of its proper divisors (1784712286).

2221322210 is a wasteful number, since it uses less digits than its factorization.

2221322210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425257.

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

The square root of 2221322210 is about 47130.9050411723. The cubic root of 2221322210 is about 1304.7796851645.

Adding to 2221322210 its reverse (122231222), we get a palindrome (2343553432).

The spelling of 2221322210 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred ten".