3122221442 has 8 divisors (see below), whose sum is σ = 4683625356. Its totient is φ = 1561012992.

The previous prime is 3122221441. The next prime is 3122221447. The reversal of 3122221442 is 2441222213.

It can be written as a sum of positive squares in 2 ways, for example, as 2998767121 + 123454321 = 54761^2 + 11111^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3122221441) 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 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 79034.

Almost surely, 2^3122221442 is an apocalyptic number.

3122221442 is a deficient number, since it is larger than the sum of its proper divisors (1561403914).

3122221442 is a wasteful number, since it uses less digits than its factorization.

3122221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97732.

The product of its digits is 1536, while the sum is 23.

The square root of 3122221442 is about 55876.8417325103. The cubic root of 3122221442 is about 1461.5754311320.

Adding to 3122221442 its reverse (2441222213), we get a palindrome (5563443655).

The spelling of 3122221442 in words is "three billion, one hundred twenty-two million, two hundred twenty-one thousand, four hundred forty-two".