2818422 has 64 divisors (see below), whose sum is σ = 6854400. Its totient is φ = 855360.

The previous prime is 2818421. The next prime is 2818429. The reversal of 2818422 is 2248182.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42033 + ... + 42099.

It is an arithmetic number, because the mean of its divisors is an integer number (107100).

2^2818422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2818422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3427200).

2818422 is an abundant number, since it is smaller than the sum of its proper divisors (4035978).

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

2818422 is a wasteful number, since it uses less digits than its factorization.

2818422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 132 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2818422 is about 1678.8156539656. The cubic root of 2818422 is about 141.2544071510.

It can be divided in two parts, 2818 and 422, that added together give a triangular number (3240 = T₈₀).

The spelling of 2818422 in words is "two million, eight hundred eighteen thousand, four hundred twenty-two".