2225897 has 4 divisors (see below), whose sum is σ = 2229840. Its totient is φ = 2221956.

The previous prime is 2225887. The next prime is 2225959. The reversal of 2225897 is 7985222.

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 2225897 - 2⁶ = 2225833 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 2¹¹ + 2¹³ + 5³ + 8⁷ + 9³ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 947 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (557460).

2^2225897 is an apocalyptic number.

It is an amenable number.

2225897 is a deficient number, since it is larger than the sum of its proper divisors (3943).

2225897 is an equidigital number, since it uses as much as digits as its factorization.

2225897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942.

The product of its digits is 20160, while the sum is 35.

The square root of 2225897 is about 1491.9440338029. The cubic root of 2225897 is about 130.5674797686.

The spelling of 2225897 in words is "two million, two hundred twenty-five thousand, eight hundred ninety-seven".