22233427 has 2 divisors, whose sum is σ = 22233428. Its totient is φ = 22233426.

The previous prime is 22233389. The next prime is 22233443. The reversal of 22233427 is 72433222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22233427 - 2¹¹ = 22231379 is a prime.

It is not a weakly prime, because it can be changed into another prime (22233457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116713 + 11116714.

It is an arithmetic number, because the mean of its divisors is an integer number (11116714).

Almost surely, 2^22233427 is an apocalyptic number.

22233427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233427 is an equidigital number, since it uses as much as digits as its factorization.

22233427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 25.

The square root of 22233427 is about 4715.2335042922. The cubic root of 22233427 is about 281.1914662056.

Adding to 22233427 its reverse (72433222), we get a palindrome (94666649).

The spelling of 22233427 in words is "twenty-two million, two hundred thirty-three thousand, four hundred twenty-seven".