3122221033 has 4 divisors (see below), whose sum is σ = 3122943300. Its totient is φ = 3121498768.

The previous prime is 3122221031. The next prime is 3122221049. The reversal of 3122221033 is 3301222213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45522009 + 3076699024 = 6747^2 + 55468^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122221033 - 2¹ = 3122221031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3122221033.

It is not an unprimeable number, because it can be changed into a prime (3122221031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354610 + ... + 363307.

It is an arithmetic number, because the mean of its divisors is an integer number (780735825).

Almost surely, 2^3122221033 is an apocalyptic number.

It is an amenable number.

3122221033 is a deficient number, since it is larger than the sum of its proper divisors (722267).

3122221033 is an equidigital number, since it uses as much as digits as its factorization.

3122221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722266.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3122221033 is about 55876.8380726755. The cubic root of 3122221033 is about 1461.5753673116.

Adding to 3122221033 its reverse (3301222213), we get a palindrome (6423443246).

The spelling of 3122221033 in words is "three billion, one hundred twenty-two million, two hundred twenty-one thousand, thirty-three".