30425220225 has 72 divisors (see below), whose sum is σ = 56702051640. Its totient is φ = 15576099840.

The previous prime is 30425220209. The next prime is 30425220253. The reversal of 30425220225 is 52202252403.

30425220225 is a `hidden beast` number, since 30 + 425 + 2 + 202 + 2 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 1044517761 + 29380702464 = 32319^2 + 171408^2 .

It is not a de Polignac number, because 30425220225 - 2⁴ = 30425220209 is a prime.

It is a super-3 number, since 3×30425220225³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1115349 + ... + 1142301.

It is an arithmetic number, because the mean of its divisors is an integer number (787528495).

Almost surely, 2^30425220225 is an apocalyptic number.

It is an amenable number.

30425220225 is a deficient number, since it is larger than the sum of its proper divisors (26276831415).

30425220225 is a wasteful number, since it uses less digits than its factorization.

30425220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27171 (or 27163 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 30425220225 its reverse (52202252403), we get a palindrome (82627472628).

The spelling of 30425220225 in words is "thirty billion, four hundred twenty-five million, two hundred twenty thousand, two hundred twenty-five".