22806029 has 2 divisors, whose sum is σ = 22806030. Its totient is φ = 22806028.

The previous prime is 22806011. The next prime is 22806031. The reversal of 22806029 is 92060822.

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., 22108804 + 697225 = 4702^2 + 835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22806029 is a prime.

It is a super-2 number, since 2×22806029² = 1040229917497682, which contains 22 as substring.

Together with 22806031, 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 = 22805992 and 22806010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22806079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11403014 + 11403015.

It is an arithmetic number, because the mean of its divisors is an integer number (11403015).

Almost surely, 2^22806029 is an apocalyptic number.

It is an amenable number.

22806029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22806029 is an equidigital number, since it uses as much as digits as its factorization.

22806029 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 22806029 is about 4775.5658303493. The cubic root of 22806029 is about 283.5849795068.

The spelling of 22806029 in words is "twenty-two million, eight hundred six thousand, twenty-nine".