30219248 has 20 divisors (see below), whose sum is σ = 58747728. Its totient is φ = 15058560.

The previous prime is 30219229. The next prime is 30219257. The reversal of 30219248 is 84291203.

It is a super-3 number, since 3×30219248³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30219248.

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, 1940 + ... + 8012.

Almost surely, 2^30219248 is an apocalyptic number.

It is an amenable number.

30219248 is a deficient number, since it is larger than the sum of its proper divisors (28528480).

30219248 is a wasteful number, since it uses less digits than its factorization.

30219248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 30219248 is about 5497.2036527675. The cubic root of 30219248 is about 311.4783635081.

The spelling of 30219248 in words is "thirty million, two hundred nineteen thousand, two hundred forty-eight".