2225444 has 12 divisors (see below), whose sum is σ = 4194204. Its totient is φ = 1027104.

The previous prime is 2225429. The next prime is 2225473. The reversal of 2225444 is 4445222.

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 879844 = 1160^2 + 938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21347 + ... + 21450.

It is an arithmetic number, because the mean of its divisors is an integer number (349517).

2^2225444 is an apocalyptic number.

It is an amenable number.

2225444 is a deficient number, since it is larger than the sum of its proper divisors (1968760).

2225444 is a wasteful number, since it uses less digits than its factorization.

2225444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42814 (or 42812 counting only the distinct ones).

The product of its digits is 2560, while the sum is 23.

The square root of 2225444 is about 1491.7922107318. The cubic root of 2225444 is about 130.5586217545.

The spelling of 2225444 in words is "two million, two hundred twenty-five thousand, four hundred forty-four".