30302164 has 12 divisors (see below), whose sum is σ = 53928000. Its totient is φ = 14894168.

The previous prime is 30302137. The next prime is 30302171. The reversal of 30302164 is 46120303.

It is a super-2 number, since 2×30302164² = 1836442286165792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63964 + ... + 64435.

It is an arithmetic number, because the mean of its divisors is an integer number (4494000).

Almost surely, 2^30302164 is an apocalyptic number.

It is an amenable number.

30302164 is a deficient number, since it is larger than the sum of its proper divisors (23625836).

30302164 is a wasteful number, since it uses less digits than its factorization.

30302164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128462 (or 128460 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30302164 is about 5504.7401391891. The cubic root of 30302164 is about 311.7629829319.

Adding to 30302164 its reverse (46120303), we get a palindrome (76422467).

The spelling of 30302164 in words is "thirty million, three hundred two thousand, one hundred sixty-four".