2548722 has 48 divisors (see below), whose sum is σ = 5892768. Its totient is φ = 728640.

The previous prime is 2548703. The next prime is 2548751. The reversal of 2548722 is 2278452.

Its product of digits (8960) is a multiple of the sum of its prime divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 2548722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34878 + ... + 34950.

It is an arithmetic number, because the mean of its divisors is an integer number (122766).

2^2548722 is an apocalyptic number.

2548722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2548722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946384).

2548722 is an abundant number, since it is smaller than the sum of its proper divisors (3344046).

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

2548722 is a wasteful number, since it uses less digits than its factorization.

2548722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 112 counting only the distinct ones).

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

The square root of 2548722 is about 1596.4717347952. The cubic root of 2548722 is about 136.5968934610.

The spelling of 2548722 in words is "two million, five hundred forty-eight thousand, seven hundred twenty-two".