22012927 has 2 divisors, whose sum is σ = 22012928. Its totient is φ = 22012926.

The previous prime is 22012901. The next prime is 22012933. The reversal of 22012927 is 72921022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22012927 - 2⁷ = 22012799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006463 + 11006464.

It is an arithmetic number, because the mean of its divisors is an integer number (11006464).

Almost surely, 2^22012927 is an apocalyptic number.

22012927 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012927 is an equidigital number, since it uses as much as digits as its factorization.

22012927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22012927 is about 4691.7935802846. The cubic root of 22012927 is about 280.2588040810.

Adding to 22012927 its reverse (72921022), we get a palindrome (94933949).

The spelling of 22012927 in words is "twenty-two million, twelve thousand, nine hundred twenty-seven".