2422404 has 18 divisors (see below), whose sum is σ = 6123390. Its totient is φ = 807456.

The previous prime is 2422391. The next prime is 2422411. The reversal of 2422404 is 4042242.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 864900 = 1248^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2422404² = 11736082278432, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33609 + ... + 33680.

2^2422404 is an apocalyptic number.

It is an amenable number.

2422404 is an abundant number, since it is smaller than the sum of its proper divisors (3700986).

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

2422404 is a wasteful number, since it uses less digits than its factorization.

2422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67299 (or 67294 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2422404 is about 1556.4074016786. The cubic root of 2422404 is about 134.3019107844.

Adding to 2422404 its reverse (4042242), we get a palindrome (6464646).

The spelling of 2422404 in words is "two million, four hundred twenty-two thousand, four hundred four".