22361863 has 2 divisors, whose sum is σ = 22361864. Its totient is φ = 22361862.

The previous prime is 22361861. The next prime is 22361869. The reversal of 22361863 is 36816322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22361863 - 2¹ = 22361861 is a prime.

Together with 22361861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22361861) by changing a digit.

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 as a sum of consecutive naturals, namely, 11180931 + 11180932.

It is an arithmetic number, because the mean of its divisors is an integer number (11180932).

Almost surely, 2^22361863 is an apocalyptic number.

22361863 is a deficient number, since it is larger than the sum of its proper divisors (1).

22361863 is an equidigital number, since it uses as much as digits as its factorization.

22361863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 22361863 is about 4728.8331541724. The cubic root of 22361863 is about 281.7318805308.

The spelling of 22361863 in words is "twenty-two million, three hundred sixty-one thousand, eight hundred sixty-three".