22864227 has 4 divisors (see below), whose sum is σ = 30485640. Its totient is φ = 15242816.

The previous prime is 22864223. The next prime is 22864243. The reversal of 22864227 is 72246822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22864227 - 2² = 22864223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22864223) 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 in 3 ways as a sum of consecutive naturals, for example, 3810702 + ... + 3810707.

It is an arithmetic number, because the mean of its divisors is an integer number (7621410).

Almost surely, 2^22864227 is an apocalyptic number.

22864227 is a deficient number, since it is larger than the sum of its proper divisors (7621413).

22864227 is an equidigital number, since it uses as much as digits as its factorization.

22864227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621412.

The product of its digits is 21504, while the sum is 33.

The square root of 22864227 is about 4781.6552573351. The cubic root of 22864227 is about 283.8259985191.

The spelling of 22864227 in words is "twenty-two million, eight hundred sixty-four thousand, two hundred twenty-seven".