284796225 has 144 divisors (see below), whose sum is σ = 635514880. Its totient is φ = 118972800.

The previous prime is 284796221. The next prime is 284796241. The reversal of 284796225 is 522697482.

It is not a de Polignac number, because 284796225 - 2² = 284796221 is a prime.

It is a super-2 number, since 2×284796225² = 162217779548501250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (284796221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 927522 + ... + 927828.

Almost surely, 2^284796225 is an apocalyptic number.

284796225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284796225 is an abundant number, since it is smaller than the sum of its proper divisors (350718655).

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

284796225 is a wasteful number, since it uses less digits than its factorization.

284796225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 372 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 284796225 is about 16875.9066423111. The cubic root of 284796225 is about 657.9275556709.

The spelling of 284796225 in words is "two hundred eighty-four million, seven hundred ninety-six thousand, two hundred twenty-five".