2244438 has 48 divisors (see below), whose sum is σ = 5690880. Its totient is φ = 625968.

The previous prime is 2244427. The next prime is 2244439. The reversal of 2244438 is 8344422.

It is a happy number.

2244438 is a `hidden beast` number, since 224 + 4 + 438 = 666.

2244438 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2244438 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5733 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (118560).

2^2244438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2244438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2845440).

2244438 is an abundant number, since it is smaller than the sum of its proper divisors (3446442).

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

2244438 is a wasteful number, since it uses less digits than its factorization.

2244438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 438 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 2244438 is about 1498.1448528096. The cubic root of 2244438 is about 130.9290060716.

The spelling of 2244438 in words is "two million, two hundred forty-four thousand, four hundred thirty-eight".