30220336 has 20 divisors (see below), whose sum is σ = 61634200. Its totient is φ = 14314752.

The previous prime is 30220327. The next prime is 30220343. The reversal of 30220336 is 63302203.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 49401 + ... + 50008.

It is an arithmetic number, because the mean of its divisors is an integer number (3081710).

Almost surely, 2^30220336 is an apocalyptic number.

It is an amenable number.

30220336 is an abundant number, since it is smaller than the sum of its proper divisors (31413864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30220336 is a wasteful number, since it uses less digits than its factorization.

30220336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99436 (or 99430 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 30220336 is about 5497.3026112813. The cubic root of 30220336 is about 311.4821015715.

Adding to 30220336 its reverse (63302203), we get a palindrome (93522539).

The spelling of 30220336 in words is "thirty million, two hundred twenty thousand, three hundred thirty-six".