2225345 has 4 divisors (see below), whose sum is σ = 2670420. Its totient is φ = 1780272.

The previous prime is 2225339. The next prime is 2225371. The reversal of 2225345 is 5435222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1168561 + 1056784 = 1081^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225345 - 2¹² = 2221249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2225345.

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, 222530 + ... + 222539.

It is an arithmetic number, because the mean of its divisors is an integer number (667605).

2^2225345 is an apocalyptic number.

It is an amenable number.

2225345 is a deficient number, since it is larger than the sum of its proper divisors (445075).

2225345 is an equidigital number, since it uses as much as digits as its factorization.

2225345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445074.

The product of its digits is 2400, while the sum is 23.

The square root of 2225345 is about 1491.7590287979. The cubic root of 2225345 is about 130.5566857371.

The spelling of 2225345 in words is "two million, two hundred twenty-five thousand, three hundred forty-five".