22811029 has 2 divisors, whose sum is σ = 22811030. Its totient is φ = 22811028.

The previous prime is 22811017. The next prime is 22811053. The reversal of 22811029 is 92011822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 10404 = 4775^2 + 102^2 .

It is a cyclic number.

It is not a de Polignac number, because 22811029 - 2⁷ = 22810901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22810994 and 22811012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22811069) 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, 11405514 + 11405515.

It is an arithmetic number, because the mean of its divisors is an integer number (11405515).

Almost surely, 2^22811029 is an apocalyptic number.

It is an amenable number.

22811029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22811029 is an equidigital number, since it uses as much as digits as its factorization.

22811029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 22811029 is about 4776.0892998352. The cubic root of 22811029 is about 283.6057024084.

The spelling of 22811029 in words is "twenty-two million, eight hundred eleven thousand, twenty-nine".