2544822 has 48 divisors (see below), whose sum is σ = 6639360. Its totient is φ = 688176.

The previous prime is 2544811. The next prime is 2544833. The reversal of 2544822 is 2284452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2544811) and next prime (2544833).

It is a super-2 number, since 2×2544822² = 12952238023368, which contains 22 as substring.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1863 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (138320).

2^2544822 is an apocalyptic number.

2544822 is the 798-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2544822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319680).

2544822 is an abundant number, since it is smaller than the sum of its proper divisors (4094538).

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

2544822 is a wasteful number, since it uses less digits than its factorization.

2544822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1094 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 2544822 is about 1595.2498236953. The cubic root of 2544822 is about 136.5271853434.

The spelling of 2544822 in words is "two million, five hundred forty-four thousand, eight hundred twenty-two".