30183225 has 12 divisors (see below), whose sum is σ = 49903056. Its totient is φ = 16097680.

The previous prime is 30183221. The next prime is 30183233. The reversal of 30183225 is 52238103.

It is not a de Polignac number, because 30183225 - 2² = 30183221 is a prime.

It is a super-2 number, since 2×30183225² = 1822054142801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30183195 and 30183204.

It is not an unprimeable number, because it can be changed into a prime (30183221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201147 + ... + 201296.

It is an arithmetic number, because the mean of its divisors is an integer number (4158588).

Almost surely, 2^30183225 is an apocalyptic number.

It is an amenable number.

30183225 is a deficient number, since it is larger than the sum of its proper divisors (19719831).

30183225 is a wasteful number, since it uses less digits than its factorization.

30183225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402456 (or 402451 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30183225 is about 5493.9261917139. The cubic root of 30183225 is about 311.3545478694.

The spelling of 30183225 in words is "thirty million, one hundred eighty-three thousand, two hundred twenty-five".