22188833 has 2 divisors, whose sum is σ = 22188834. Its totient is φ = 22188832.

The previous prime is 22188797. The next prime is 22188851. The reversal of 22188833 is 33888122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14615329 + 7573504 = 3823^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 22188833 - 2⁶ = 22188769 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22188793 and 22188802.

It is not a weakly prime, because it can be changed into another prime (22388833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11094416 + 11094417.

It is an arithmetic number, because the mean of its divisors is an integer number (11094417).

Almost surely, 2^22188833 is an apocalyptic number.

It is an amenable number.

22188833 is a deficient number, since it is larger than the sum of its proper divisors (1).

22188833 is an equidigital number, since it uses as much as digits as its factorization.

22188833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 35.

The square root of 22188833 is about 4710.5024148173. The cubic root of 22188833 is about 281.0033433829.

The spelling of 22188833 in words is "twenty-two million, one hundred eighty-eight thousand, eight hundred thirty-three".