2566201223 has 16 divisors (see below), whose sum is σ = 2657642400. Its totient is φ = 2476695936.

The previous prime is 2566201163. The next prime is 2566201229. The reversal of 2566201223 is 3221026652.

It is not a de Polignac number, because 2566201223 - 2¹⁰ = 2566200199 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 (2566201229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843461 + ... + 846497.

It is an arithmetic number, because the mean of its divisors is an integer number (166102650).

Almost surely, 2^2566201223 is an apocalyptic number.

2566201223 is a deficient number, since it is larger than the sum of its proper divisors (91441177).

2566201223 is a wasteful number, since it uses less digits than its factorization.

2566201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2566201223 is about 50657.6867118900. The cubic root of 2566201223 is about 1369.0844439571.

Adding to 2566201223 its reverse (3221026652), we get a palindrome (5787227875).

The spelling of 2566201223 in words is "two billion, five hundred sixty-six million, two hundred one thousand, two hundred twenty-three".