2422818 has 16 divisors (see below), whose sum is σ = 5384160. Its totient is φ = 807588.

The previous prime is 2422811. The next prime is 2422829. The reversal of 2422818 is 8182242.

It is a super-2 number, since 2×2422818² = 11740094122248, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2422791 and 2422800.

It is not an unprimeable number, because it can be changed into a prime (2422811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22380 + ... + 22487.

It is an arithmetic number, because the mean of its divisors is an integer number (336510).

2^2422818 is an apocalyptic number.

2422818 is an abundant number, since it is smaller than the sum of its proper divisors (2961342).

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

2422818 is a wasteful number, since it uses less digits than its factorization.

2422818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44878 (or 44872 counting only the distinct ones).

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

The square root of 2422818 is about 1556.5403945931. The cubic root of 2422818 is about 134.3095612869.

It can be divided in two parts, 2422 and 818, that added together give a triangular number (3240 = T₈₀).

The spelling of 2422818 in words is "two million, four hundred twenty-two thousand, eight hundred eighteen".