84222227 has 2 divisors, whose sum is σ = 84222228. Its totient is φ = 84222226.

The previous prime is 84222197. The next prime is 84222253. The reversal of 84222227 is 72222248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84222227 - 2²⁴ = 67445011 is a prime.

It is equal to p_4901168 and since 84222227 and 4901168 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84222227.

It is not a weakly prime, because it can be changed into another prime (84222427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42111113 + 42111114.

It is an arithmetic number, because the mean of its divisors is an integer number (42111114).

Almost surely, 2^84222227 is an apocalyptic number.

84222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

84222227 is an equidigital number, since it uses as much as digits as its factorization.

84222227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 29.

The square root of 84222227 is about 9177.2668589292. The cubic root of 84222227 is about 438.3377831943.

The spelling of 84222227 in words is "eighty-four million, two hundred twenty-two thousand, two hundred twenty-seven".