225446216 has 16 divisors (see below), whose sum is σ = 431706240. Its totient is φ = 110324560.

The previous prime is 225446093. The next prime is 225446219. The reversal of 225446216 is 612644522.

It is not an unprimeable number, because it can be changed into a prime (225446219) 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, 299420 + ... + 300171.

It is an arithmetic number, because the mean of its divisors is an integer number (26981640).

Almost surely, 2^225446216 is an apocalyptic number.

It is an amenable number.

225446216 is a deficient number, since it is larger than the sum of its proper divisors (206260024).

225446216 is a wasteful number, since it uses less digits than its factorization.

225446216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599644 (or 599640 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 225446216 is about 15014.8664995730. The cubic root of 225446216 is about 608.6220045524.

The spelling of 225446216 in words is "two hundred twenty-five million, four hundred forty-six thousand, two hundred sixteen".