29429223 has 4 divisors (see below), whose sum is σ = 39238968. Its totient is φ = 19619480.

The previous prime is 29429221. The next prime is 29429269. The reversal of 29429223 is 32292492.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29429223 - 2¹ = 29429221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29429221) 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 in 3 ways as a sum of consecutive naturals, for example, 4904868 + ... + 4904873.

It is an arithmetic number, because the mean of its divisors is an integer number (9809742).

Almost surely, 2^29429223 is an apocalyptic number.

29429223 is a deficient number, since it is larger than the sum of its proper divisors (9809745).

29429223 is an equidigital number, since it uses as much as digits as its factorization.

29429223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809744.

The product of its digits is 15552, while the sum is 33.

The square root of 29429223 is about 5424.8707818712. The cubic root of 29429223 is about 308.7400228436.

The spelling of 29429223 in words is "twenty-nine million, four hundred twenty-nine thousand, two hundred twenty-three".