2223438 has 32 divisors (see below), whose sum is σ = 5128704. Its totient is φ = 629472.

The previous prime is 2223421. The next prime is 2223443. The reversal of 2223438 is 8343222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6856 + ... + 7172.

It is an arithmetic number, because the mean of its divisors is an integer number (160272).

2^2223438 is an apocalyptic number.

2223438 is an abundant number, since it is smaller than the sum of its proper divisors (2905266).

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

2223438 is a wasteful number, since it uses less digits than its factorization.

2223438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its digits is 2304, while the sum is 24.

The square root of 2223438 is about 1491.1197135039. The cubic root of 2223438 is about 130.5193817457.

The spelling of 2223438 in words is "two million, two hundred twenty-three thousand, four hundred thirty-eight".