29429228 has 6 divisors (see below), whose sum is σ = 51501156. Its totient is φ = 14714612.

The previous prime is 29429221. The next prime is 29429269. The reversal of 29429228 is 82292492.

It is a junction number, because it is equal to n+sod(n) for n = 29429191 and 29429200.

It is not an unprimeable number, because it can be changed into a prime (29429221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3678650 + ... + 3678657.

It is an arithmetic number, because the mean of its divisors is an integer number (8583526).

Almost surely, 2^29429228 is an apocalyptic number.

It is an amenable number.

29429228 is a deficient number, since it is larger than the sum of its proper divisors (22071928).

29429228 is a wasteful number, since it uses less digits than its factorization.

29429228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357311 (or 7357309 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 29429228 is about 5424.8712427117. The cubic root of 29429228 is about 308.7400403285.

The spelling of 29429228 in words is "twenty-nine million, four hundred twenty-nine thousand, two hundred twenty-eight".