30223225 has 12 divisors (see below), whose sum is σ = 37549804. Its totient is φ = 24131520.

The previous prime is 30223211. The next prime is 30223261. The reversal of 30223225 is 52232203.

It can be written as a sum of positive squares in 6 ways, for example, as 1750329 + 28472896 = 1323^2 + 5336^2 .

It is not a de Polignac number, because 30223225 - 2¹³ = 30215033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18127 + ... + 19723.

Almost surely, 2^30223225 is an apocalyptic number.

It is an amenable number.

30223225 is a deficient number, since it is larger than the sum of its proper divisors (7326579).

30223225 is a wasteful number, since it uses less digits than its factorization.

30223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 2359 counting only the distinct ones).

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

The square root of 30223225 is about 5497.5653702344. The cubic root of 30223225 is about 311.4920269312.

Adding to 30223225 its reverse (52232203), we get a palindrome (82455428).

The spelling of 30223225 in words is "thirty million, two hundred twenty-three thousand, two hundred twenty-five".