2225549 has 4 divisors (see below), whose sum is σ = 2322336. Its totient is φ = 2128764.

The previous prime is 2225543. The next prime is 2225557. The reversal of 2225549 is 9455222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2225549 - 2⁴ = 2225533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48359 + ... + 48404.

It is an arithmetic number, because the mean of its divisors is an integer number (580584).

2^2225549 is an apocalyptic number.

It is an amenable number.

2225549 is a deficient number, since it is larger than the sum of its proper divisors (96787).

2225549 is an equidigital number, since it uses as much as digits as its factorization.

2225549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96786.

The product of its digits is 7200, while the sum is 29.

The square root of 2225549 is about 1491.8274028855. The cubic root of 2225549 is about 130.5606750436.

The spelling of 2225549 in words is "two million, two hundred twenty-five thousand, five hundred forty-nine".