2256235447 has 2 divisors, whose sum is σ = 2256235448. Its totient is φ = 2256235446.

The previous prime is 2256235411. The next prime is 2256235477. The reversal of 2256235447 is 7445326522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256235447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256235477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128117723 + 1128117724.

It is an arithmetic number, because the mean of its divisors is an integer number (1128117724).

Almost surely, 2^2256235447 is an apocalyptic number.

2256235447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256235447 is an equidigital number, since it uses as much as digits as its factorization.

2256235447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 40.

The square root of 2256235447 is about 47499.8468102793. The cubic root of 2256235447 is about 1311.5800616587.

The spelling of 2256235447 in words is "two billion, two hundred fifty-six million, two hundred thirty-five thousand, four hundred forty-seven".