22282282 has 8 divisors (see below), whose sum is σ = 36461952. Its totient is φ = 10128300.

The previous prime is 22282279. The next prime is 22282283. The reversal of 22282282 is 28228222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22282282² = 993000182255048, which contains 22 as substring.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 22282282.

It is not an unprimeable number, because it can be changed into a prime (22282283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506394 + ... + 506437.

It is an arithmetic number, because the mean of its divisors is an integer number (4557744).

Almost surely, 2^22282282 is an apocalyptic number.

22282282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22282282 is a deficient number, since it is larger than the sum of its proper divisors (14179670).

22282282 is a wasteful number, since it uses less digits than its factorization.

22282282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012844.

The product of its digits is 4096, while the sum is 28.

The square root of 22282282 is about 4720.4112109010. The cubic root of 22282282 is about 281.3972758207.

The spelling of 22282282 in words is "twenty-two million, two hundred eighty-two thousand, two hundred eighty-two".