30221400200525 has 6 divisors (see below), whose sum is σ = 37474536248682. Its totient is φ = 24177120160400.

The previous prime is 30221400200501. The next prime is 30221400200531. The reversal of 30221400200525 is 52500200412203.

It can be written as a sum of positive squares in 3 ways, for example, as 2902024682089 + 27319375518436 = 1703533^2 + 5226794^2 .

It is not a de Polignac number, because 30221400200525 - 2⁸ = 30221400200269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221400200494 and 30221400200503.

It is a congruent number.

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, 604428003986 + ... + 604428004035.

It is an arithmetic number, because the mean of its divisors is an integer number (6245756041447).

Almost surely, 2^{30221400200525} is an apocalyptic number.

It is an amenable number.

30221400200525 is a deficient number, since it is larger than the sum of its proper divisors (7253136048157).

30221400200525 is a wasteful number, since it uses less digits than its factorization.

30221400200525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208856008031 (or 1208856008026 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 30221400200525 its reverse (52500200412203), we get a palindrome (82721600612728).

The spelling of 30221400200525 in words is "thirty trillion, two hundred twenty-one billion, four hundred million, two hundred thousand, five hundred twenty-five".