22329227 has 2 divisors, whose sum is σ = 22329228. Its totient is φ = 22329226.

The previous prime is 22329221. The next prime is 22329239. The reversal of 22329227 is 72292322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22329227 - 2¹⁶ = 22263691 is a prime.

It is a super-3 number, since 3×22329227³ (a number of 23 digits) contains 333 as substring.

It is equal to p_1408628 and since 22329227 and 1408628 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 22329227.

It is not a weakly prime, because it can be changed into another prime (22329221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11164613 + 11164614.

It is an arithmetic number, because the mean of its divisors is an integer number (11164614).

Almost surely, 2^22329227 is an apocalyptic number.

22329227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22329227 is an equidigital number, since it uses as much as digits as its factorization.

22329227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 22329227 is about 4725.3811486482. The cubic root of 22329227 is about 281.5947560240.

The spelling of 22329227 in words is "twenty-two million, three hundred twenty-nine thousand, two hundred twenty-seven".