22120633 has 2 divisors, whose sum is σ = 22120634. Its totient is φ = 22120632.

The previous prime is 22120583. The next prime is 22120643. The reversal of 22120633 is 33602122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16908544 + 5212089 = 4112^2 + 2283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22120633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22120633.

It is not a weakly prime, because it can be changed into another prime (22120643) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060316 + 11060317.

It is an arithmetic number, because the mean of its divisors is an integer number (11060317).

Almost surely, 2^22120633 is an apocalyptic number.

It is an amenable number.

22120633 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120633 is an equidigital number, since it uses as much as digits as its factorization.

22120633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 22120633 is about 4703.2577007857. The cubic root of 22120633 is about 280.7151489215.

Adding to 22120633 its reverse (33602122), we get a palindrome (55722755).

The spelling of 22120633 in words is "twenty-two million, one hundred twenty thousand, six hundred thirty-three".