22284863 has 2 divisors, whose sum is σ = 22284864. Its totient is φ = 22284862.

The previous prime is 22284859. The next prime is 22284869. The reversal of 22284863 is 36848222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22284863 - 2² = 22284859 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_1405979 and since 22284863 and 1405979 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22284869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11142431 + 11142432.

It is an arithmetic number, because the mean of its divisors is an integer number (11142432).

Almost surely, 2^22284863 is an apocalyptic number.

22284863 is a deficient number, since it is larger than the sum of its proper divisors (1).

22284863 is an equidigital number, since it uses as much as digits as its factorization.

22284863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The square root of 22284863 is about 4720.6845901839. The cubic root of 22284863 is about 281.4081403322.

The spelling of 22284863 in words is "twenty-two million, two hundred eighty-four thousand, eight hundred sixty-three".