29323228 has 12 divisors (see below), whose sum is σ = 55980792. Its totient is φ = 13328720.

The previous prime is 29323223. The next prime is 29323237. The reversal of 29323228 is 82232392.

It is a self number, because there is not a number n which added to its sum of digits gives 29323228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333175 + ... + 333262.

It is an arithmetic number, because the mean of its divisors is an integer number (4665066).

Almost surely, 2^29323228 is an apocalyptic number.

It is an amenable number.

29323228 is a deficient number, since it is larger than the sum of its proper divisors (26657564).

29323228 is a wasteful number, since it uses less digits than its factorization.

29323228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666452 (or 666450 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 29323228 is about 5415.0926123198. The cubic root of 29323228 is about 308.3689147802.

The spelling of 29323228 in words is "twenty-nine million, three hundred twenty-three thousand, two hundred twenty-eight".