3320440447 has 2 divisors, whose sum is σ = 3320440448. Its totient is φ = 3320440446.

The previous prime is 3320440441. The next prime is 3320440483. The reversal of 3320440447 is 7440440233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3320440447 - 2³ = 3320440439 is a prime.

It is a super-2 number, since 2×3320440447² = 22050649524147119618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3320440441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660220223 + 1660220224.

It is an arithmetic number, because the mean of its divisors is an integer number (1660220224).

Almost surely, 2^3320440447 is an apocalyptic number.

3320440447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3320440447 is an equidigital number, since it uses as much as digits as its factorization.

3320440447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 3320440447 is about 57623.2630714367. The cubic root of 3320440447 is about 1491.8731523415.

The spelling of 3320440447 in words is "three billion, three hundred twenty million, four hundred forty thousand, four hundred forty-seven".