3142220021 has 2 divisors, whose sum is σ = 3142220022. Its totient is φ = 3142220020.

The previous prime is 3142220017. The next prime is 3142220051. The reversal of 3142220021 is 1200222413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2191176100 + 951043921 = 46810^2 + 30839^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142220021 - 2² = 3142220017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3142220051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571110010 + 1571110011.

It is an arithmetic number, because the mean of its divisors is an integer number (1571110011).

Almost surely, 2^3142220021 is an apocalyptic number.

It is an amenable number.

3142220021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142220021 is an equidigital number, since it uses as much as digits as its factorization.

3142220021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3142220021 is about 56055.5083912366. The cubic root of 3142220021 is about 1464.6893727296.

Adding to 3142220021 its reverse (1200222413), we get a palindrome (4342442434).

The spelling of 3142220021 in words is "three billion, one hundred forty-two million, two hundred twenty thousand, twenty-one".