2256201247 has 8 divisors (see below), whose sum is σ = 2334666240. Its totient is φ = 2177780640.

The previous prime is 2256201239. The next prime is 2256201317. The reversal of 2256201247 is 7421026522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2256201247 - 2³ = 2256201239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256201217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117922 + ... + 135712.

It is an arithmetic number, because the mean of its divisors is an integer number (291833280).

Almost surely, 2^2256201247 is an apocalyptic number.

2256201247 is a deficient number, since it is larger than the sum of its proper divisors (78464993).

2256201247 is a wasteful number, since it uses less digits than its factorization.

2256201247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22193.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2256201247 is about 47499.4868077540. The cubic root of 2256201247 is about 1311.5734346516.

Adding to 2256201247 its reverse (7421026522), we get a palindrome (9677227769).

The spelling of 2256201247 in words is "two billion, two hundred fifty-six million, two hundred one thousand, two hundred forty-seven".