3221434457 has 2 divisors, whose sum is σ = 3221434458. Its totient is φ = 3221434456.

The previous prime is 3221434387. The next prime is 3221434547. The reversal of 3221434457 is 7544341223.

Together with next prime (3221434547) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3219541081 + 1893376 = 56741^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221434457 - 2¹⁴ = 3221418073 is a prime.

It is not a weakly prime, because it can be changed into another prime (3221434157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610717228 + 1610717229.

It is an arithmetic number, because the mean of its divisors is an integer number (1610717229).

Almost surely, 2^3221434457 is an apocalyptic number.

It is an amenable number.

3221434457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221434457 is an equidigital number, since it uses as much as digits as its factorization.

3221434457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 35.

The square root of 3221434457 is about 56757.6819206000. The cubic root of 3221434457 is about 1476.8954977008.

The spelling of 3221434457 in words is "three billion, two hundred twenty-one million, four hundred thirty-four thousand, four hundred fifty-seven".