3213122447 has 2 divisors, whose sum is σ = 3213122448. Its totient is φ = 3213122446.

The previous prime is 3213122413. The next prime is 3213122459. The reversal of 3213122447 is 7442213123.

It is a strong prime.

It is an emirp because it is prime and its reverse (7442213123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213122447 - 2¹⁰ = 3213121423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213122047) 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, 1606561223 + 1606561224.

It is an arithmetic number, because the mean of its divisors is an integer number (1606561224).

Almost surely, 2^3213122447 is an apocalyptic number.

3213122447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213122447 is an equidigital number, since it uses as much as digits as its factorization.

3213122447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 3213122447 is about 56684.4109698601. The cubic root of 3213122447 is about 1475.6241651412.

The spelling of 3213122447 in words is "three billion, two hundred thirteen million, one hundred twenty-two thousand, four hundred forty-seven".