2522665542 has 8 divisors (see below), whose sum is σ = 5045331096. Its totient is φ = 840888512.

The previous prime is 2522665531. The next prime is 2522665633. The reversal of 2522665542 is 2455662252.

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

2522665542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2522665542.

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, 210222123 + ... + 210222134.

It is an arithmetic number, because the mean of its divisors is an integer number (630666387).

Almost surely, 2^2522665542 is an apocalyptic number.

2522665542 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.

2522665542 is a wasteful number, since it uses less digits than its factorization.

2522665542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420444262.

The product of its digits is 288000, while the sum is 39.

The square root of 2522665542 is about 50226.1440088725. The cubic root of 2522665542 is about 1361.2980581741.

The spelling of 2522665542 in words is "two billion, five hundred twenty-two million, six hundred sixty-five thousand, five hundred forty-two".