225455418 has 12 divisors (see below), whose sum is σ = 488486778. Its totient is φ = 75151800.

The previous prime is 225455413. The next prime is 225455429. The reversal of 225455418 is 814554522.

225455418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 194686209 + 30769209 = 13953^2 + 5547^2 .

It is not an unprimeable number, because it can be changed into a prime (225455413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6262633 + ... + 6262668.

Almost surely, 2^225455418 is an apocalyptic number.

225455418 is an abundant number, since it is smaller than the sum of its proper divisors (263031360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225455418 is a wasteful number, since it uses less digits than its factorization.

225455418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12525309 (or 12525306 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 225455418 is about 15015.1729260771. The cubic root of 225455418 is about 608.6302851135.

The spelling of 225455418 in words is "two hundred twenty-five million, four hundred fifty-five thousand, four hundred eighteen".