22012411 has 2 divisors, whose sum is σ = 22012412. Its totient is φ = 22012410.

The previous prime is 22012391. The next prime is 22012427. The reversal of 22012411 is 11421022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22012411 - 2⁵ = 22012379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22012391 and 22012400.

It is not a weakly prime, because it can be changed into another prime (22012451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006205 + 11006206.

It is an arithmetic number, because the mean of its divisors is an integer number (11006206).

Almost surely, 2^22012411 is an apocalyptic number.

22012411 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012411 is an equidigital number, since it uses as much as digits as its factorization.

22012411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 22012411 is about 4691.7385903309. The cubic root of 22012411 is about 280.2566142363.

Adding to 22012411 its reverse (11421022), we get a palindrome (33433433).

The spelling of 22012411 in words is "twenty-two million, twelve thousand, four hundred eleven".