22642282 has 16 divisors (see below), whose sum is σ = 36799560. Its totient is φ = 10448256.

The previous prime is 22642273. The next prime is 22642313. The reversal of 22642282 is 28224622.

It can be written as a sum of positive squares in 4 ways, for example, as 1565001 + 21077281 = 1251^2 + 4591^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22642282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818 + ... + 6970.

Almost surely, 2^22642282 is an apocalyptic number.

22642282 is a deficient number, since it is larger than the sum of its proper divisors (14157278).

22642282 is an equidigital number, since it uses as much as digits as its factorization.

22642282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5168 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 22642282 is about 4758.3906943419. The cubic root of 22642282 is about 282.9046364248.

The spelling of 22642282 in words is "twenty-two million, six hundred forty-two thousand, two hundred eighty-two".