2575018822 has 4 divisors (see below), whose sum is σ = 3862528236. Its totient is φ = 1287509410.

The previous prime is 2575018793. The next prime is 2575018829. The reversal of 2575018822 is 2288105752.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575018829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643754704 + ... + 643754707.

It is an arithmetic number, because the mean of its divisors is an integer number (965632059).

Almost surely, 2^2575018822 is an apocalyptic number.

2575018822 is a deficient number, since it is larger than the sum of its proper divisors (1287509414).

2575018822 is a wasteful number, since it uses less digits than its factorization.

2575018822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287509413.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 2575018822 is about 50744.6432837989. The cubic root of 2575018822 is about 1370.6507328275.

The spelling of 2575018822 in words is "two billion, five hundred seventy-five million, eighteen thousand, eight hundred twenty-two".