2225894 has 32 divisors (see below), whose sum is σ = 3919104. Its totient is φ = 938080.

The previous prime is 2225887. The next prime is 2225959. The reversal of 2225894 is 4985222.

2225894 = 121² + 122² + ... + 203².

It is a d-powerful number, because it can be written as 2¹⁶ + 2²⁰ + 2²⁰ + 5⁵ + 8 + 9⁵ + 4⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2225894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26777 + ... + 26859.

It is an arithmetic number, because the mean of its divisors is an integer number (122472).

2^2225894 is an apocalyptic number.

2225894 is a deficient number, since it is larger than the sum of its proper divisors (1693210).

2225894 is a wasteful number, since it uses less digits than its factorization.

2225894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its digits is 11520, while the sum is 32.

The square root of 2225894 is about 1491.9430284029. The cubic root of 2225894 is about 130.5674211103.

It can be divided in two parts, 222 and 5894, that added together give a palindrome (6116).

The spelling of 2225894 in words is "two million, two hundred twenty-five thousand, eight hundred ninety-four".