2225987 has 4 divisors (see below), whose sum is σ = 2245800. Its totient is φ = 2206176.

The previous prime is 2225969. The next prime is 2225999. The reversal of 2225987 is 7895222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225987 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁹ + 2²⁰ + 5⁸ + 9 + 8⁶ + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225387) 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, 9737 + ... + 9962.

It is an arithmetic number, because the mean of its divisors is an integer number (561450).

2^2225987 is an apocalyptic number.

2225987 is a deficient number, since it is larger than the sum of its proper divisors (19813).

2225987 is a wasteful number, since it uses less digits than its factorization.

2225987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19812.

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

The square root of 2225987 is about 1491.9741954873. The cubic root of 2225987 is about 130.5692394959.

The spelling of 2225987 in words is "two million, two hundred twenty-five thousand, nine hundred eighty-seven".