3140221457 has 2 divisors, whose sum is σ = 3140221458. Its totient is φ = 3140221456.

The previous prime is 3140221421. The next prime is 3140221463. The reversal of 3140221457 is 7541220413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2019244096 + 1120977361 = 44936^2 + 33481^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140221457 - 2²⁴ = 3123444241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3140221417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570110728 + 1570110729.

It is an arithmetic number, because the mean of its divisors is an integer number (1570110729).

Almost surely, 2^3140221457 is an apocalyptic number.

It is an amenable number.

3140221457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140221457 is an equidigital number, since it uses as much as digits as its factorization.

3140221457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3140221457 is about 56037.6789044657. The cubic root of 3140221457 is about 1464.3787753103.

The spelling of 3140221457 in words is "three billion, one hundred forty million, two hundred twenty-one thousand, four hundred fifty-seven".