225437859 has 12 divisors (see below), whose sum is σ = 336137152. Its totient is φ = 145443600.

The previous prime is 225437813. The next prime is 225437887. The reversal of 225437859 is 958734522.

225437859 is a `hidden beast` number, since 22 + 543 + 7 + 85 + 9 = 666.

It is not a de Polignac number, because 225437859 - 2²⁷ = 91220131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225437899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403732 + ... + 404289.

Almost surely, 2^225437859 is an apocalyptic number.

225437859 is a deficient number, since it is larger than the sum of its proper divisors (110699293).

225437859 is a wasteful number, since it uses less digits than its factorization.

225437859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808058 (or 808055 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 225437859 is about 15014.5882061414. The cubic root of 225437859 is about 608.6144841823.

The spelling of 225437859 in words is "two hundred twenty-five million, four hundred thirty-seven thousand, eight hundred fifty-nine".