29030228 has 24 divisors (see below), whose sum is σ = 51719304. Its totient is φ = 14256000.

The previous prime is 29030219. The next prime is 29030231. The reversal of 29030228 is 82203092.

It can be written as a sum of positive squares in 4 ways, for example, as 5098564 + 23931664 = 2258^2 + 4892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29030197 and 29030206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72926 + ... + 73322.

It is an arithmetic number, because the mean of its divisors is an integer number (2154971).

Almost surely, 2^29030228 is an apocalyptic number.

It is an amenable number.

29030228 is a deficient number, since it is larger than the sum of its proper divisors (22689076).

29030228 is a wasteful number, since it uses less digits than its factorization.

29030228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 29030228 is about 5387.9706754956. The cubic root of 29030228 is about 307.3383926193.

The spelling of 29030228 in words is "twenty-nine million, thirty thousand, two hundred twenty-eight".