2522426687 has 4 divisors (see below), whose sum is σ = 2751738216. Its totient is φ = 2293115160.

The previous prime is 2522426671. The next prime is 2522426701. The reversal of 2522426687 is 7866242252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2522426687 - 2⁴ = 2522426671 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 (2522426657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114655748 + ... + 114655769.

It is an arithmetic number, because the mean of its divisors is an integer number (687934554).

Almost surely, 2^2522426687 is an apocalyptic number.

2522426687 is a deficient number, since it is larger than the sum of its proper divisors (229311529).

2522426687 is a wasteful number, since it uses less digits than its factorization.

2522426687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229311528.

The product of its digits is 645120, while the sum is 44.

The square root of 2522426687 is about 50223.7661570695. The cubic root of 2522426687 is about 1361.2550926276.

The spelling of 2522426687 in words is "two billion, five hundred twenty-two million, four hundred twenty-six thousand, six hundred eighty-seven".