29445228 has 48 divisors (see below), whose sum is σ = 77109760. Its totient is φ = 9716112.

The previous prime is 29445209. The next prime is 29445233. The reversal of 29445228 is 82254492.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 29445192 and 29445201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9801 + ... + 12447.

Almost surely, 2^29445228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29445228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38554880).

29445228 is an abundant number, since it is smaller than the sum of its proper divisors (47664532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29445228 is a wasteful number, since it uses less digits than its factorization.

29445228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2755 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 29445228 is about 5426.3457317056. The cubic root of 29445228 is about 308.7959818309.

The spelling of 29445228 in words is "twenty-nine million, four hundred forty-five thousand, two hundred twenty-eight".