2566422256 has 40 divisors (see below), whose sum is σ = 5066515008. Its totient is φ = 1259040000.

The previous prime is 2566422253. The next prime is 2566422259. The reversal of 2566422256 is 6522246652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2566422253) and next prime (2566422259).

It is a super-3 number, since 3×2566422256³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566422253) 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, 417606 + ... + 423706.

Almost surely, 2^2566422256 is an apocalyptic number.

It is an amenable number.

2566422256 is a deficient number, since it is larger than the sum of its proper divisors (2500092752).

2566422256 is a wasteful number, since it uses less digits than its factorization.

2566422256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601 (or 6595 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 2566422256 is about 50659.8682982891. The cubic root of 2566422256 is about 1369.1237503258.

The spelling of 2566422256 in words is "two billion, five hundred sixty-six million, four hundred twenty-two thousand, two hundred fifty-six".