30219244 has 12 divisors (see below), whose sum is σ = 57691368. Its totient is φ = 13736000.

The previous prime is 30219229. The next prime is 30219257. The reversal of 30219244 is 44291203.

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, 343357 + ... + 343444.

It is an arithmetic number, because the mean of its divisors is an integer number (4807614).

Almost surely, 2^30219244 is an apocalyptic number.

It is an amenable number.

30219244 is a deficient number, since it is larger than the sum of its proper divisors (27472124).

30219244 is a wasteful number, since it uses less digits than its factorization.

30219244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686816 (or 686814 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30219244 is about 5497.2032889461. The cubic root of 30219244 is about 311.4783497651.

The spelling of 30219244 in words is "thirty million, two hundred nineteen thousand, two hundred forty-four".