30605982225 has 96 divisors (see below), whose sum is σ = 62525164800. Its totient is φ = 12864061440.

The previous prime is 30605982203. The next prime is 30605982241. The reversal of 30605982225 is 52228950603.

It is not a de Polignac number, because 30605982225 - 2⁹ = 30605981713 is a prime.

It is a super-2 number, since 2×30605982225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1745301 + ... + 1762749.

It is an arithmetic number, because the mean of its divisors is an integer number (651303800).

Almost surely, 2^30605982225 is an apocalyptic number.

30605982225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30605982225 is an abundant number, since it is smaller than the sum of its proper divisors (31919182575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30605982225 is a wasteful number, since it uses less digits than its factorization.

30605982225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17739 (or 17734 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 30605982225 in words is "thirty billion, six hundred five million, nine hundred eighty-two thousand, two hundred twenty-five".