22773029 has 2 divisors, whose sum is σ = 22773030. Its totient is φ = 22773028.

The previous prime is 22772993. The next prime is 22773031. The reversal of 22773029 is 92037722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22108804 + 664225 = 4702^2 + 815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22773029 is a prime.

It is a super-2 number, since 2×22773029² = 1037221699669682, which contains 22 as substring.

Together with 22773031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22772986 and 22773004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22773329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11386514 + 11386515.

It is an arithmetic number, because the mean of its divisors is an integer number (11386515).

Almost surely, 2^22773029 is an apocalyptic number.

It is an amenable number.

22773029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22773029 is an equidigital number, since it uses as much as digits as its factorization.

22773029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 22773029 is about 4772.1094916190. The cubic root of 22773029 is about 283.4481323346.

The spelling of 22773029 in words is "twenty-two million, seven hundred seventy-three thousand, twenty-nine".