29097223 has 4 divisors (see below), whose sum is σ = 29364280. Its totient is φ = 28830168.

The previous prime is 29097221. The next prime is 29097239. The reversal of 29097223 is 32279092.

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 29097223 - 2¹ = 29097221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29097221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133365 + ... + 133582.

It is an arithmetic number, because the mean of its divisors is an integer number (7341070).

Almost surely, 2^29097223 is an apocalyptic number.

29097223 is a deficient number, since it is larger than the sum of its proper divisors (267057).

29097223 is a wasteful number, since it uses less digits than its factorization.

29097223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267056.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 29097223 is about 5394.1841829882. The cubic root of 29097223 is about 307.5746327758.

The spelling of 29097223 in words is "twenty-nine million, ninety-seven thousand, two hundred twenty-three".