29225128 has 16 divisors (see below), whose sum is σ = 56134260. Its totient is φ = 14256000.

The previous prime is 29225107. The next prime is 29225143. The reversal of 29225128 is 82152292.

It can be written as a sum of positive squares in 2 ways, for example, as 19873764 + 9351364 = 4458^2 + 3058^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29225128.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44223 + ... + 44878.

Almost surely, 2^29225128 is an apocalyptic number.

It is an amenable number.

29225128 is a deficient number, since it is larger than the sum of its proper divisors (26909132).

29225128 is a wasteful number, since it uses less digits than its factorization.

29225128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89148 (or 89144 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 29225128 is about 5406.0270069618. The cubic root of 29225128 is about 308.0246508633.

The spelling of 29225128 in words is "twenty-nine million, two hundred twenty-five thousand, one hundred twenty-eight".