284222996 has 12 divisors (see below), whose sum is σ = 497988960. Its totient is φ = 141940440.

The previous prime is 284222993. The next prime is 284223007. The reversal of 284222996 is 699222482.

It is a super-2 number, since 2×284222996² = 161565422910432032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284222993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38990 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (41499080).

Almost surely, 2^284222996 is an apocalyptic number.

It is an amenable number.

284222996 is a deficient number, since it is larger than the sum of its proper divisors (213765964).

284222996 is a wasteful number, since it uses less digits than its factorization.

284222996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85534 (or 85532 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 284222996 is about 16858.9144371754. The cubic root of 284222996 is about 657.4858404619.

The spelling of 284222996 in words is "two hundred eighty-four million, two hundred twenty-two thousand, nine hundred ninety-six".