29808223 has 2 divisors, whose sum is σ = 29808224. Its totient is φ = 29808222.

The previous prime is 29808221. The next prime is 29808239. The reversal of 29808223 is 32280892.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29808223 - 2¹ = 29808221 is a prime.

Together with 29808221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29808221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14904111 + 14904112.

It is an arithmetic number, because the mean of its divisors is an integer number (14904112).

Almost surely, 2^29808223 is an apocalyptic number.

29808223 is a deficient number, since it is larger than the sum of its proper divisors (1).

29808223 is an equidigital number, since it uses as much as digits as its factorization.

29808223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 29808223 is about 5459.6907421575. The cubic root of 29808223 is about 310.0597283456.

The spelling of 29808223 in words is "twenty-nine million, eight hundred eight thousand, two hundred twenty-three".