30221021294 has 8 divisors (see below), whose sum is σ = 45337062720. Its totient is φ = 15108667056.

The previous prime is 30221021287. The next prime is 30221021339. The reversal of 30221021294 is 49212012203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 901214 + ... + 934145.

It is an arithmetic number, because the mean of its divisors is an integer number (5667132840).

Almost surely, 2^30221021294 is an apocalyptic number.

30221021294 is a deficient number, since it is larger than the sum of its proper divisors (15116041426).

30221021294 is a wasteful number, since it uses less digits than its factorization.

30221021294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843594.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 30221021294 its reverse (49212012203), we get a palindrome (79433033497).

The spelling of 30221021294 in words is "thirty billion, two hundred twenty-one million, twenty-one thousand, two hundred ninety-four".