2221231010 has 16 divisors (see below), whose sum is σ = 4004276472. Its totient is φ = 887145600.

The previous prime is 2221231009. The next prime is 2221231013. The reversal of 2221231010 is 101321222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2204396401 + 16834609 = 46951^2 + 4103^2 .

It is not an unprimeable number, because it can be changed into a prime (2221231013) by changing a digit.

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, 161411 + ... + 174630.

Almost surely, 2^2221231010 is an apocalyptic number.

2221231010 is a deficient number, since it is larger than the sum of its proper divisors (1783045462).

2221231010 is a wasteful number, since it uses less digits than its factorization.

2221231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336709.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2221231010 is about 47129.9375132198. The cubic root of 2221231010 is about 1304.7618283020.

Adding to 2221231010 its reverse (101321222), we get a palindrome (2322552232).

The spelling of 2221231010 in words is "two billion, two hundred twenty-one million, two hundred thirty-one thousand, ten".