2566264722 has 64 divisors (see below), whose sum is σ = 6037294080. Its totient is φ = 711861696.

The previous prime is 2566264669. The next prime is 2566264769. The reversal of 2566264722 is 2274626652.

2566264722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 848529 + ... + 851547.

It is an arithmetic number, because the mean of its divisors is an integer number (94332720).

Almost surely, 2^2566264722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566264722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018647040).

2566264722 is an abundant number, since it is smaller than the sum of its proper divisors (3471029358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2566264722 is a wasteful number, since it uses less digits than its factorization.

2566264722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615.

The product of its digits is 483840, while the sum is 42.

The square root of 2566264722 is about 50658.3134539633. The cubic root of 2566264722 is about 1369.0957362355.

The spelling of 2566264722 in words is "two billion, five hundred sixty-six million, two hundred sixty-four thousand, seven hundred twenty-two".