284229020 has 24 divisors (see below), whose sum is σ = 598147200. Its totient is φ = 113450432.

The previous prime is 284229017. The next prime is 284229047. The reversal of 284229020 is 20922482.

It is a super-2 number, since 2×284229020² = 161572271620320800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255 + ... + 24414.

It is an arithmetic number, because the mean of its divisors is an integer number (24922800).

Almost surely, 2^284229020 is an apocalyptic number.

284229020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284229020 is an abundant number, since it is smaller than the sum of its proper divisors (313918180).

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

284229020 is a wasteful number, since it uses less digits than its factorization.

284229020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30157 (or 30155 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 284229020 is about 16859.0930954189. The cubic root of 284229020 is about 657.4904854845.

The spelling of 284229020 in words is "two hundred eighty-four million, two hundred twenty-nine thousand, twenty".