30218264 has 8 divisors (see below), whose sum is σ = 56659260. Its totient is φ = 15109128.

The previous prime is 30218257. The next prime is 30218269. The reversal of 30218264 is 46281203.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30218269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888634 + ... + 1888649.

Almost surely, 2^30218264 is an apocalyptic number.

It is an amenable number.

30218264 is a deficient number, since it is larger than the sum of its proper divisors (26440996).

30218264 is a wasteful number, since it uses less digits than its factorization.

30218264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777289 (or 3777285 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30218264 is about 5497.1141519892. The cubic root of 30218264 is about 311.4749826824.

Adding to 30218264 its reverse (46281203), we get a palindrome (76499467).

The spelling of 30218264 in words is "thirty million, two hundred eighteen thousand, two hundred sixty-four".