30220313225 has 6 divisors (see below), whose sum is σ = 37473188430. Its totient is φ = 24176250560.

The previous prime is 30220313173. The next prime is 30220313239. The reversal of 30220313225 is 52231302203.

It can be written as a sum of positive squares in 3 ways, for example, as 2118484729 + 28101828496 = 46027^2 + 167636^2 .

It is not a de Polignac number, because 30220313225 - 2¹² = 30220309129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30220313225.

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, 604406240 + ... + 604406289.

It is an arithmetic number, because the mean of its divisors is an integer number (6245531405).

Almost surely, 2^30220313225 is an apocalyptic number.

It is an amenable number.

30220313225 is a deficient number, since it is larger than the sum of its proper divisors (7252875205).

30220313225 is a wasteful number, since it uses less digits than its factorization.

30220313225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208812539 (or 1208812534 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 30220313225 its reverse (52231302203), we get a palindrome (82451615428).

The spelling of 30220313225 in words is "thirty billion, two hundred twenty million, three hundred thirteen thousand, two hundred twenty-five".