2221213110 has 16 divisors (see below), whose sum is σ = 5330911536. Its totient is φ = 592323488.

The previous prime is 2221213103. The next prime is 2221213133. The reversal of 2221213110 is 113121222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221213110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37020189 + ... + 37020248.

It is an arithmetic number, because the mean of its divisors is an integer number (333181971).

Almost surely, 2^2221213110 is an apocalyptic number.

2221213110 is an abundant number, since it is smaller than the sum of its proper divisors (3109698426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221213110 is a wasteful number, since it uses less digits than its factorization.

2221213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040447.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2221213110 is about 47129.7476123096. The cubic root of 2221213110 is about 1304.7583234438.

Adding to 2221213110 its reverse (113121222), we get a palindrome (2334334332).

The spelling of 2221213110 in words is "two billion, two hundred twenty-one million, two hundred thirteen thousand, one hundred ten".