22284893 has 2 divisors, whose sum is σ = 22284894. Its totient is φ = 22284892.

The previous prime is 22284883. The next prime is 22284923. The reversal of 22284893 is 39848222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11539609 + 10745284 = 3397^2 + 3278^2 .

It is a cyclic number.

It is not a de Polignac number, because 22284893 - 2²⁰ = 21236317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22284833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11142446 + 11142447.

It is an arithmetic number, because the mean of its divisors is an integer number (11142447).

Almost surely, 2^22284893 is an apocalyptic number.

It is an amenable number.

22284893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22284893 is an equidigital number, since it uses as much as digits as its factorization.

22284893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 22284893 is about 4720.6877676881. The cubic root of 22284893 is about 281.4082666098.

The spelling of 22284893 in words is "twenty-two million, two hundred eighty-four thousand, eight hundred ninety-three".