22421167 has 2 divisors, whose sum is σ = 22421168. Its totient is φ = 22421166.

The previous prime is 22421123. The next prime is 22421171. The reversal of 22421167 is 76112422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22421167 - 2¹¹ = 22419119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22421107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210583 + 11210584.

It is an arithmetic number, because the mean of its divisors is an integer number (11210584).

Almost surely, 2^22421167 is an apocalyptic number.

22421167 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421167 is an equidigital number, since it uses as much as digits as its factorization.

22421167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 22421167 is about 4735.0994709721. The cubic root of 22421167 is about 281.9807130984.

Adding to 22421167 its reverse (76112422), we get a palindrome (98533589).

The spelling of 22421167 in words is "twenty-two million, four hundred twenty-one thousand, one hundred sixty-seven".