30221235320245 has 16 divisors (see below), whose sum is σ = 36828120962880. Its totient is φ = 23802314747904.

The previous prime is 30221235320233. The next prime is 30221235320249. The reversal of 30221235320245 is 54202353212203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30221235320245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30221235320245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221235320249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25601740 + ... + 26756149.

It is an arithmetic number, because the mean of its divisors is an integer number (2301757560180).

Almost surely, 2^{30221235320245} is an apocalyptic number.

It is an amenable number.

30221235320245 is a deficient number, since it is larger than the sum of its proper divisors (6606885642635).

30221235320245 is a wasteful number, since it uses less digits than its factorization.

30221235320245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52359684.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 30221235320245 its reverse (54202353212203), we get a palindrome (84423588532448).

The spelling of 30221235320245 in words is "thirty trillion, two hundred twenty-one billion, two hundred thirty-five million, three hundred twenty thousand, two hundred forty-five".