30225222 has 24 divisors (see below), whose sum is σ = 65589264. Its totient is φ = 10059504.

The previous prime is 30225199. The next prime is 30225227. The reversal of 30225222 is 22252203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30225195 and 30225204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30225227) 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 11 ways as a sum of consecutive naturals, for example, 21328 + ... + 22700.

It is an arithmetic number, because the mean of its divisors is an integer number (2732886).

Almost surely, 2^30225222 is an apocalyptic number.

30225222 is an abundant number, since it is smaller than the sum of its proper divisors (35364042).

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

30225222 is a wasteful number, since it uses less digits than its factorization.

30225222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30225222 is about 5497.7469930873. The cubic root of 30225222 is about 311.4988873934.

Adding to 30225222 its reverse (22252203), we get a palindrome (52477425).

The spelling of 30225222 in words is "thirty million, two hundred twenty-five thousand, two hundred twenty-two".