2221331322 has 32 divisors (see below), whose sum is σ = 5141606400. Its totient is φ = 626631408.

The previous prime is 2221331317. The next prime is 2221331323. The reversal of 2221331322 is 2231331222.

It is a happy number.

2221331322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2221331323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331422 + ... + 338057.

It is an arithmetic number, because the mean of its divisors is an integer number (160675200).

Almost surely, 2^2221331322 is an apocalyptic number.

2221331322 is an abundant number, since it is smaller than the sum of its proper divisors (2920275078).

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

2221331322 is a wasteful number, since it uses less digits than its factorization.

2221331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669570.

The product of its digits is 864, while the sum is 21.

The square root of 2221331322 is about 47131.0017080053. The cubic root of 2221331322 is about 1304.7814692575.

Adding to 2221331322 its reverse (2231331222), we get a palindrome (4452662544).

It can be divided in two parts, 22213 and 31322, that added together give a palindrome (53535).

The spelling of 2221331322 in words is "two billion, two hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-two".