2231221322 has 8 divisors (see below), whose sum is σ = 3651089472. Its totient is φ = 1014191500.

The previous prime is 2231221303. The next prime is 2231221327.

It is a happy number.

2231221322 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2231221322³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231221294 and 2231221303.

It is not an unprimeable number, because it can be changed into a prime (2231221327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50709554 + ... + 50709597.

It is an arithmetic number, because the mean of its divisors is an integer number (456386184).

Almost surely, 2^2231221322 is an apocalyptic number.

2231221322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231221322 is a deficient number, since it is larger than the sum of its proper divisors (1419868150).

2231221322 is a wasteful number, since it uses less digits than its factorization.

2231221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101419164.

The product of its digits is 576, while the sum is 20.

The square root of 2231221322 is about 47235.8055081101. The cubic root of 2231221322 is about 1306.7150221444.

It can be divided in two parts, 22312 and 21322, that added together give a palindrome (43634).

The spelling of 2231221322 in words is "two billion, two hundred thirty-one million, two hundred twenty-one thousand, three hundred twenty-two".