2565423622 has 16 divisors (see below), whose sum is σ = 3888709632. Its totient is φ = 1269240840.

The previous prime is 2565423613. The next prime is 2565423647. The reversal of 2565423622 is 2263245652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84097 + ... + 110467.

It is an arithmetic number, because the mean of its divisors is an integer number (243044352).

Almost surely, 2^2565423622 is an apocalyptic number.

2565423622 is a deficient number, since it is larger than the sum of its proper divisors (1323286010).

2565423622 is a wasteful number, since it uses less digits than its factorization.

2565423622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26883.

The product of its digits is 172800, while the sum is 37.

The square root of 2565423622 is about 50650.0110760106. The cubic root of 2565423622 is about 1368.9461449841.

The spelling of 2565423622 in words is "two billion, five hundred sixty-five million, four hundred twenty-three thousand, six hundred twenty-two".