30221335450 has 48 divisors (see below), whose sum is σ = 58461972480. Its totient is φ = 11612877120.

The previous prime is 30221335429. The next prime is 30221335451. The reversal of 30221335450 is 5453312203.

It is not an unprimeable number, because it can be changed into a prime (30221335451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42759 + ... + 249541.

It is an arithmetic number, because the mean of its divisors is an integer number (1217957760).

Almost surely, 2^30221335450 is an apocalyptic number.

30221335450 is a deficient number, since it is larger than the sum of its proper divisors (28240637030).

30221335450 is a wasteful number, since it uses less digits than its factorization.

30221335450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206911 (or 206906 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 30221335450 its reverse (5453312203), we get a palindrome (35674647653).

The spelling of 30221335450 in words is "thirty billion, two hundred twenty-one million, three hundred thirty-five thousand, four hundred fifty".