22481167 has 2 divisors, whose sum is σ = 22481168. Its totient is φ = 22481166.

The previous prime is 22481149. The next prime is 22481171. The reversal of 22481167 is 76118422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22481167 - 2¹⁵ = 22448399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22481117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240583 + 11240584.

It is an arithmetic number, because the mean of its divisors is an integer number (11240584).

Almost surely, 2^22481167 is an apocalyptic number.

22481167 is a deficient number, since it is larger than the sum of its proper divisors (1).

22481167 is an equidigital number, since it uses as much as digits as its factorization.

22481167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 22481167 is about 4741.4309021645. The cubic root of 22481167 is about 282.2320198708.

Adding to 22481167 its reverse (76118422), we get a palindrome (98599589).

The spelling of 22481167 in words is "twenty-two million, four hundred eighty-one thousand, one hundred sixty-seven".