30223625 has 16 divisors (see below), whose sum is σ = 38603136. Its totient is φ = 23612400.

The previous prime is 30223579. The next prime is 30223643. The reversal of 30223625 is 52632203.

It is a happy number.

It is not a de Polignac number, because 30223625 - 2¹² = 30219529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30223625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (2412696).

Almost surely, 2^30223625 is an apocalyptic number.

It is an amenable number.

30223625 is a deficient number, since it is larger than the sum of its proper divisors (8379511).

30223625 is an equidigital number, since it uses as much as digits as its factorization.

30223625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30223625 is about 5497.6017498542. The cubic root of 30223625 is about 311.4934011091.

Adding to 30223625 its reverse (52632203), we get a palindrome (82855828).

The spelling of 30223625 in words is "thirty million, two hundred twenty-three thousand, six hundred twenty-five".