22142867 has 2 divisors, whose sum is σ = 22142868. Its totient is φ = 22142866.

The previous prime is 22142849. The next prime is 22142873. The reversal of 22142867 is 76824122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22142867 - 2⁶ = 22142803 is a prime.

It is not a weakly prime, because it can be changed into another prime (22142567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071433 + 11071434.

It is an arithmetic number, because the mean of its divisors is an integer number (11071434).

Almost surely, 2^22142867 is an apocalyptic number.

22142867 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142867 is an equidigital number, since it uses as much as digits as its factorization.

22142867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 22142867 is about 4705.6207879514. The cubic root of 22142867 is about 280.8091686941.

Adding to 22142867 its reverse (76824122), we get a palindrome (98966989).

The spelling of 22142867 in words is "twenty-two million, one hundred forty-two thousand, eight hundred sixty-seven".