29225000 has 96 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 9960000.

The previous prime is 29224999. The next prime is 29225003. The reversal of 29225000 is 52292.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (29225003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174917 + ... + 175083.

It is an arithmetic number, because the mean of its divisors is an integer number (820260).

Almost surely, 2^29225000 is an apocalyptic number.

29225000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39372480).

29225000 is an abundant number, since it is smaller than the sum of its proper divisors (49519960).

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

29225000 is an equidigital number, since it uses as much as digits as its factorization.

29225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 29225000 is about 5406.0151683102. The cubic root of 29225000 is about 308.0242011680.

Adding to 29225000 its reverse (52292), we get a palindrome (29277292).

The spelling of 29225000 in words is "twenty-nine million, two hundred twenty-five thousand".