3122220473 has 2 divisors, whose sum is σ = 3122220474. Its totient is φ = 3122220472.

The previous prime is 3122220463. The next prime is 3122220503. The reversal of 3122220473 is 3740222213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2040599929 + 1081620544 = 45173^2 + 32888^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122220473 - 2⁴ = 3122220457 is a prime.

It is not a weakly prime, because it can be changed into another prime (3122220403) 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 as a sum of consecutive naturals, namely, 1561110236 + 1561110237.

It is an arithmetic number, because the mean of its divisors is an integer number (1561110237).

Almost surely, 2^3122220473 is an apocalyptic number.

It is an amenable number.

3122220473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122220473 is an equidigital number, since it uses as much as digits as its factorization.

3122220473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3122220473 is about 55876.8330616545. The cubic root of 3122220473 is about 1461.5752799291.

Adding to 3122220473 its reverse (3740222213), we get a palindrome (6862442686).

The spelling of 3122220473 in words is "three billion, one hundred twenty-two million, two hundred twenty thousand, four hundred seventy-three".