2225406 has 16 divisors (see below), whose sum is σ = 4466448. Its totient is φ = 739200.

The previous prime is 2225401. The next prime is 2225407. The reversal of 2225406 is 6045222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (279153).

2^2225406 is an apocalyptic number.

2225406 is an abundant number, since it is smaller than the sum of its proper divisors (2241042).

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

2225406 is a wasteful number, since it uses less digits than its factorization.

2225406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2225406 is about 1491.7794743192. The cubic root of 2225406 is about 130.5578786435.

The spelling of 2225406 in words is "two million, two hundred twenty-five thousand, four hundred six".