2202444 has 24 divisors (see below), whose sum is σ = 5710320. Its totient is φ = 734112.

The previous prime is 2202439. The next prime is 2202451. The reversal of 2202444 is 4442022.

2202444 is a `hidden beast` number, since 220 + 2 + 444 = 666.

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 7 ways as a sum of consecutive naturals, for example, 10089 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (237930).

2^2202444 is an apocalyptic number.

It is an amenable number.

2202444 is an abundant number, since it is smaller than the sum of its proper divisors (3507876).

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

2202444 is a wasteful number, since it uses less digits than its factorization.

2202444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20406 (or 20398 counting only the distinct ones).

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

The square root of 2202444 is about 1484.0633409663. The cubic root of 2202444 is about 130.1072881573.

Adding to 2202444 its reverse (4442022), we get a palindrome (6644466).

The spelling of 2202444 in words is "two million, two hundred two thousand, four hundred forty-four".