18226067 has 2 divisors, whose sum is σ = 18226068. Its totient is φ = 18226066.

The previous prime is 18226037. The next prime is 18226079. The reversal of 18226067 is 76062281.

It is a strong prime.

It is an emirp because it is prime and its reverse (76062281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18226067 - 2⁸ = 18225811 is a prime.

It is equal to p_1164776 and since 18226067 and 1164776 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (18226037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9113033 + 9113034.

It is an arithmetic number, because the mean of its divisors is an integer number (9113034).

Almost surely, 2^18226067 is an apocalyptic number.

18226067 is a deficient number, since it is larger than the sum of its proper divisors (1).

18226067 is an equidigital number, since it uses as much as digits as its factorization.

18226067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 18226067 is about 4269.1998079265. The cubic root of 18226067 is about 263.1667320211.

The spelling of 18226067 in words is "eighteen million, two hundred twenty-six thousand, sixty-seven".