2561006022 has 8 divisors (see below), whose sum is σ = 5122012056. Its totient is φ = 853668672.

The previous prime is 2561006017. The next prime is 2561006033. The reversal of 2561006022 is 2206001652.

2561006022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2561006022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2561005983 and 2561006001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213417163 + ... + 213417174.

It is an arithmetic number, because the mean of its divisors is an integer number (640251507).

Almost surely, 2^2561006022 is an apocalyptic number.

2561006022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2561006022 is a wasteful number, since it uses less digits than its factorization.

2561006022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426834342.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2561006022 is about 50606.3832139781. The cubic root of 2561006022 is about 1368.1599290214.

Adding to 2561006022 its reverse (2206001652), we get a palindrome (4767007674).

The spelling of 2561006022 in words is "two billion, five hundred sixty-one million, six thousand, twenty-two".