22068029 has 2 divisors, whose sum is σ = 22068030. Its totient is φ = 22068028.

The previous prime is 22067999. The next prime is 22068037. The reversal of 22068029 is 92086022.

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., 20232004 + 1836025 = 4498^2 + 1355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22068029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22067992 and 22068010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22068049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11034014 + 11034015.

It is an arithmetic number, because the mean of its divisors is an integer number (11034015).

Almost surely, 2^22068029 is an apocalyptic number.

It is an amenable number.

22068029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22068029 is an equidigital number, since it uses as much as digits as its factorization.

22068029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22068029 is about 4697.6620780980. The cubic root of 22068029 is about 280.4924539601.

The spelling of 22068029 in words is "twenty-two million, sixty-eight thousand, twenty-nine".