29228339 has 4 divisors (see below), whose sum is σ = 33403824. Its totient is φ = 25052856.

The previous prime is 29228323. The next prime is 29228359. The reversal of 29228339 is 93382292.

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 29228339 - 2⁴ = 29228323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29228359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087732 + ... + 2087745.

It is an arithmetic number, because the mean of its divisors is an integer number (8350956).

Almost surely, 2^29228339 is an apocalyptic number.

29228339 is a deficient number, since it is larger than the sum of its proper divisors (4175485).

29228339 is an equidigital number, since it uses as much as digits as its factorization.

29228339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175484.

The product of its digits is 46656, while the sum is 38.

The square root of 29228339 is about 5406.3239821528. The cubic root of 29228339 is about 308.0359314633.

The spelling of 29228339 in words is "twenty-nine million, two hundred twenty-eight thousand, three hundred thirty-nine".