4002282 has 12 divisors (see below), whose sum is σ = 8671650. Its totient is φ = 1334088.

The previous prime is 4002281. The next prime is 4002301. The reversal of 4002282 is 2822004.

It can be written as a sum of positive squares in only one way, i.e., 3426201 + 576081 = 1851^2 + 759^2 .

It is a super-2 number, since 2×4002282² = 32036522415048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 222349 = 4002282 / (4 + 0 + 0 + 2 + 2 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (4002281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111157 + ... + 111192.

Almost surely, 2^4002282 is an apocalyptic number.

4002282 is an abundant number, since it is smaller than the sum of its proper divisors (4669368).

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

4002282 is a wasteful number, since it uses less digits than its factorization.

4002282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222357 (or 222354 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4002282 is about 2000.5704186556. The cubic root of 4002282 is about 158.7702865347.

Adding to 4002282 its reverse (2822004), we get a palindrome (6824286).

It can be divided in two parts, 40022 and 82, that added together give a palindrome (40104).

The spelling of 4002282 in words is "four million, two thousand, two hundred eighty-two".