29228079 has 4 divisors (see below), whose sum is σ = 38970776. Its totient is φ = 19485384.

The previous prime is 29228077. The next prime is 29228093. The reversal of 29228079 is 97082292.

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

It is not a de Polignac number, because 29228079 - 2¹ = 29228077 is a prime.

It is a super-3 number, since 3×29228079³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29228077) 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, 4871344 + ... + 4871349.

It is an arithmetic number, because the mean of its divisors is an integer number (9742694).

Almost surely, 2^29228079 is an apocalyptic number.

29228079 is a deficient number, since it is larger than the sum of its proper divisors (9742697).

29228079 is an equidigital number, since it uses as much as digits as its factorization.

29228079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9742696.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 29228079 is about 5406.2999361856. The cubic root of 29228079 is about 308.0350180851.

The spelling of 29228079 in words is "twenty-nine million, two hundred twenty-eight thousand, seventy-nine".