2225643285 has 16 divisors (see below), whose sum is σ = 3575934720. Its totient is φ = 1182041280.

The previous prime is 2225643283. The next prime is 2225643289. The reversal of 2225643285 is 5823465222.

It is not a de Polignac number, because 2225643285 - 2¹ = 2225643283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225643283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306826 + ... + 313995.

It is an arithmetic number, because the mean of its divisors is an integer number (223495920).

Almost surely, 2^2225643285 is an apocalyptic number.

It is an amenable number.

2225643285 is a deficient number, since it is larger than the sum of its proper divisors (1350291435).

2225643285 is a wasteful number, since it uses less digits than its factorization.

2225643285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621068.

The product of its digits is 230400, while the sum is 39.

The square root of 2225643285 is about 47176.7239748586. The cubic root of 2225643285 is about 1305.6251874442.

The spelling of 2225643285 in words is "two billion, two hundred twenty-five million, six hundred forty-three thousand, two hundred eighty-five".