284822040 has 64 divisors (see below), whose sum is σ = 856604160. Its totient is φ = 75762560.

The previous prime is 284822033. The next prime is 284822047. The reversal of 284822040 is 40228482.

It is an interprime number because it is at equal distance from previous prime (284822033) and next prime (284822047).

It is a super-2 number, since 2×284822040² = 162247188939523200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 284821989 and 284822007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284822047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48967 + ... + 54473.

It is an arithmetic number, because the mean of its divisors is an integer number (13384440).

Almost surely, 2^284822040 is an apocalyptic number.

284822040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284822040 is an abundant number, since it is smaller than the sum of its proper divisors (571782120).

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

284822040 is a wasteful number, since it uses less digits than its factorization.

284822040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952 (or 5948 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 284822040 is about 16876.6714727757. The cubic root of 284822040 is about 657.9474340789.

The spelling of 284822040 in words is "two hundred eighty-four million, eight hundred twenty-two thousand, forty".