284225118 has 16 divisors (see below), whose sum is σ = 568972560. Its totient is φ = 94654656.

The previous prime is 284225093. The next prime is 284225119. The reversal of 284225118 is 811522482.

It is a super-2 number, since 2×284225118² = 161567835404227848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284225119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14503 + ... + 27906.

It is an arithmetic number, because the mean of its divisors is an integer number (35560785).

Almost surely, 2^284225118 is an apocalyptic number.

284225118 is an abundant number, since it is smaller than the sum of its proper divisors (284747442).

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

284225118 is a wasteful number, since it uses less digits than its factorization.

284225118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43531.

The product of its digits is 10240, while the sum is 33.

The square root of 284225118 is about 16858.9773711219. The cubic root of 284225118 is about 657.4874767141.

The spelling of 284225118 in words is "two hundred eighty-four million, two hundred twenty-five thousand, one hundred eighteen".