30522285 has 32 divisors (see below), whose sum is σ = 54794880. Its totient is φ = 16118784.

The previous prime is 30522281. The next prime is 30522287. The reversal of 30522285 is 58222503.

It is not a de Polignac number, because 30522285 - 2² = 30522281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30522281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13389 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (1712340).

Almost surely, 2^30522285 is an apocalyptic number.

It is an amenable number.

30522285 is a deficient number, since it is larger than the sum of its proper divisors (24272595).

30522285 is a wasteful number, since it uses less digits than its factorization.

30522285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 30522285 is about 5524.6977292880. The cubic root of 30522285 is about 312.5160653074.

Adding to 30522285 its reverse (58222503), we get a palindrome (88744788).

The spelling of 30522285 in words is "thirty million, five hundred twenty-two thousand, two hundred eighty-five".