29430225 has 108 divisors (see below), whose sum is σ = 61746048. Its totient is φ = 13358400.

The previous prime is 29430217. The next prime is 29430229. The reversal of 29430225 is 52203492.

29430225 is a `hidden beast` number, since 2 + 9 + 430 + 225 = 666.

It is not a de Polignac number, because 29430225 - 2³ = 29430217 is a prime.

It is a super-2 number, since 2×29430225² = 1732276287101250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29430229) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 626152 + ... + 626198.

Almost surely, 2^29430225 is an apocalyptic number.

29430225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29430225 is an abundant number, since it is smaller than the sum of its proper divisors (32315823).

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

29430225 is a wasteful number, since it uses less digits than its factorization.

29430225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 29430225 is about 5424.9631335153. The cubic root of 29430225 is about 308.7435267756.

The spelling of 29430225 in words is "twenty-nine million, four hundred thirty thousand, two hundred twenty-five".