30220550 has 12 divisors (see below), whose sum is σ = 56210316. Its totient is φ = 12088200.

The previous prime is 30220501. The next prime is 30220571. The reversal of 30220550 is 5502203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302156 + ... + 302255.

It is an arithmetic number, because the mean of its divisors is an integer number (4684193).

Almost surely, 2^30220550 is an apocalyptic number.

30220550 is a deficient number, since it is larger than the sum of its proper divisors (25989766).

30220550 is a wasteful number, since it uses less digits than its factorization.

30220550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604423 (or 604418 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 30220550 is about 5497.3220753381. The cubic root of 30220550 is about 311.4828368050.

Adding to 30220550 its reverse (5502203), we get a palindrome (35722753).

The spelling of 30220550 in words is "thirty million, two hundred twenty thousand, five hundred fifty".