2201555233225 has 6 divisors (see below), whose sum is σ = 2729928489230. Its totient is φ = 1761244186560.

The previous prime is 2201555233139. The next prime is 2201555233247. The reversal of 2201555233225 is 5223325551022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 115102097289 + 2086453135936 = 339267^2 + 1444456^2 .

It is not a de Polignac number, because 2201555233225 - 2¹³ = 2201555225033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44031104640 + ... + 44031104689.

Almost surely, 2^{2201555233225} is an apocalyptic number.

2201555233225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2201555233225 is a deficient number, since it is larger than the sum of its proper divisors (528373256005).

2201555233225 is an equidigital number, since it uses as much as digits as its factorization.

2201555233225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88062209339 (or 88062209334 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 2201555233225 in words is "two trillion, two hundred one billion, five hundred fifty-five million, two hundred thirty-three thousand, two hundred twenty-five".