2142220322 has 32 divisors (see below), whose sum is σ = 3850398720. Its totient is φ = 882375120.

The previous prime is 2142220319. The next prime is 2142220349. The reversal of 2142220322 is 2230222412.

It is a junction number, because it is equal to n+sod(n) for n = 2142220294 and 2142220303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101798 + ... + 121025.

It is an arithmetic number, because the mean of its divisors is an integer number (120324960).

Almost surely, 2^2142220322 is an apocalyptic number.

2142220322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2142220322 is a deficient number, since it is larger than the sum of its proper divisors (1708178398).

2142220322 is a wasteful number, since it uses less digits than its factorization.

2142220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222878.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2142220322 is about 46284.1260261010. The cubic root of 2142220322 is about 1289.1042640971.

Adding to 2142220322 its reverse (2230222412), we get a palindrome (4372442734).

The spelling of 2142220322 in words is "two billion, one hundred forty-two million, two hundred twenty thousand, three hundred twenty-two".