2547822 has 16 divisors (see below), whose sum is σ = 5220432. Its totient is φ = 828480.

The previous prime is 2547821. The next prime is 2547833. The reversal of 2547822 is 2287452.

2547822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2547822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (326277).

2^2547822 is an apocalyptic number.

2547822 is an abundant number, since it is smaller than the sum of its proper divisors (2672610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2547822 is a wasteful number, since it uses less digits than its factorization.

2547822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403.

The product of its digits is 8960, while the sum is 30.

The square root of 2547822 is about 1596.1898383338. The cubic root of 2547822 is about 136.5808132873.

The spelling of 2547822 in words is "two million, five hundred forty-seven thousand, eight hundred twenty-two".