2522530778 has 8 divisors (see below), whose sum is σ = 3819159072. Its totient is φ = 1249477756.

The previous prime is 2522530757. The next prime is 2522530789. The reversal of 2522530778 is 8770352252.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5893550 + ... + 5893977.

It is an arithmetic number, because the mean of its divisors is an integer number (477394884).

Almost surely, 2^2522530778 is an apocalyptic number.

2522530778 is a deficient number, since it is larger than the sum of its proper divisors (1296628294).

2522530778 is a wasteful number, since it uses less digits than its factorization.

2522530778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11787636.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 2522530778 is about 50224.8024187254. The cubic root of 2522530778 is about 1361.2738169848.

The spelling of 2522530778 in words is "two billion, five hundred twenty-two million, five hundred thirty thousand, seven hundred seventy-eight".