22227871 has 2 divisors, whose sum is σ = 22227872. Its totient is φ = 22227870.

The previous prime is 22227847. The next prime is 22227883. The reversal of 22227871 is 17872222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22227871 - 2¹⁷ = 22096799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22227811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11113935 + 11113936.

It is an arithmetic number, because the mean of its divisors is an integer number (11113936).

Almost surely, 2^22227871 is an apocalyptic number.

22227871 is a deficient number, since it is larger than the sum of its proper divisors (1).

22227871 is an equidigital number, since it uses as much as digits as its factorization.

22227871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 31.

The square root of 22227871 is about 4714.6443132012. The cubic root of 22227871 is about 281.1680415676.

The spelling of 22227871 in words is "twenty-two million, two hundred twenty-seven thousand, eight hundred seventy-one".