22001282 has 8 divisors (see below), whose sum is σ = 33032316. Its totient is φ = 10990512.

The previous prime is 22001261. The next prime is 22001303. The reversal of 22001282 is 28210022.

It is an interprime number because it is at equal distance from previous prime (22001261) and next prime (22001303).

It can be written as a sum of positive squares in 2 ways, for example, as 21893041 + 108241 = 4679^2 + 329^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22001282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973 + ... + 6920.

Almost surely, 2^22001282 is an apocalyptic number.

22001282 is a deficient number, since it is larger than the sum of its proper divisors (11031034).

22001282 is a wasteful number, since it uses less digits than its factorization.

22001282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 22001282 is about 4690.5524194918. The cubic root of 22001282 is about 280.2093757089.

The spelling of 22001282 in words is "twenty-two million, one thousand, two hundred eighty-two".