30225223 has 4 divisors (see below), whose sum is σ = 34543120. Its totient is φ = 25907328.

The previous prime is 30225199. The next prime is 30225227. The reversal of 30225223 is 32252203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32252203 = 73 ⋅441811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30225223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30225223.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158938 + ... + 2158951.

It is an arithmetic number, because the mean of its divisors is an integer number (8635780).

Almost surely, 2^30225223 is an apocalyptic number.

30225223 is a deficient number, since it is larger than the sum of its proper divisors (4317897).

30225223 is an equidigital number, since it uses as much as digits as its factorization.

30225223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317896.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30225223 is about 5497.7470840336. The cubic root of 30225223 is about 311.4988908287.

Adding to 30225223 its reverse (32252203), we get a palindrome (62477426).

The spelling of 30225223 in words is "thirty million, two hundred twenty-five thousand, two hundred twenty-three".