2256672273 has 4 divisors (see below), whose sum is σ = 3008896368. Its totient is φ = 1504448180.

The previous prime is 2256672193. The next prime is 2256672283. The reversal of 2256672273 is 3722766522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2256672273 - 2¹² = 2256668177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2256672283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376112043 + ... + 376112048.

It is an arithmetic number, because the mean of its divisors is an integer number (752224092).

Almost surely, 2^2256672273 is an apocalyptic number.

It is an amenable number.

2256672273 is a deficient number, since it is larger than the sum of its proper divisors (752224095).

2256672273 is an equidigital number, since it uses as much as digits as its factorization.

2256672273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752224094.

The product of its digits is 423360, while the sum is 42.

The square root of 2256672273 is about 47504.4447709896. Note that the first 3 decimals coincide. The cubic root of 2256672273 is about 1311.6647004763.

The spelling of 2256672273 in words is "two billion, two hundred fifty-six million, six hundred seventy-two thousand, two hundred seventy-three".