22234567 has 2 divisors, whose sum is σ = 22234568. Its totient is φ = 22234566.

The previous prime is 22234549. The next prime is 22234571. The reversal of 22234567 is 76543222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22234567 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22234067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11117283 + 11117284.

It is an arithmetic number, because the mean of its divisors is an integer number (11117284).

Almost surely, 2^22234567 is an apocalyptic number.

22234567 is a deficient number, since it is larger than the sum of its proper divisors (1).

22234567 is an equidigital number, since it uses as much as digits as its factorization.

22234567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 22234567 is about 4715.3543875302. The cubic root of 22234567 is about 281.1962720743.

Adding to 22234567 its reverse (76543222), we get a palindrome (98777789).

It can be divided in two parts, 22234 and 567, that added together give a square (22801 = 151²).

The spelling of 22234567 in words is "twenty-two million, two hundred thirty-four thousand, five hundred sixty-seven".