2022408 has 40 divisors (see below), whose sum is σ = 5666430. Its totient is φ = 673920.

The previous prime is 2022403. The next prime is 2022421. The reversal of 2022408 is 8042202.

It can be written as a sum of positive squares in only one way, i.e., 2022084 + 324 = 1422^2 + 18^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022401) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 913 + ... + 2208.

2^2022408 is an apocalyptic number.

It is an amenable number.

2022408 is an abundant number, since it is smaller than the sum of its proper divisors (3644022).

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

2022408 is a wasteful number, since it uses less digits than its factorization.

2022408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2022408 is about 1422.1139194875. The cubic root of 2022408 is about 126.4608970570.

The spelling of 2022408 in words is "two million, twenty-two thousand, four hundred eight".