29149223 has 2 divisors, whose sum is σ = 29149224. Its totient is φ = 29149222.

The previous prime is 29149199. The next prime is 29149231. The reversal of 29149223 is 32294192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29149223 - 2⁸ = 29148967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29149223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29149243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14574611 + 14574612.

It is an arithmetic number, because the mean of its divisors is an integer number (14574612).

Almost surely, 2^29149223 is an apocalyptic number.

29149223 is a deficient number, since it is larger than the sum of its proper divisors (1).

29149223 is an equidigital number, since it uses as much as digits as its factorization.

29149223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 29149223 is about 5399.0020374140. The cubic root of 29149223 is about 307.7577471888.

The spelling of 29149223 in words is "twenty-nine million, one hundred forty-nine thousand, two hundred twenty-three".