2201194309625 has 16 divisors (see below), whose sum is σ = 2747182213776. Its totient is φ = 1760896656000.

The previous prime is 2201194309579. The next prime is 2201194309697. The reversal of 2201194309625 is 5269034911022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1391861971984 + 809332337641 = 1179772^2 + 899629^2 .

It is not a de Polignac number, because 2201194309625 - 2³⁶ = 2132474832889 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 3678995 + ... + 4235255.

It is an arithmetic number, because the mean of its divisors is an integer number (171698888361).

Almost surely, 2^{2201194309625} is an apocalyptic number.

2201194309625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2201194309625 is a deficient number, since it is larger than the sum of its proper divisors (545987904151).

2201194309625 is an equidigital number, since it uses as much as digits as its factorization.

2201194309625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587933 (or 587923 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 2201194309625 in words is "two trillion, two hundred one billion, one hundred ninety-four million, three hundred nine thousand, six hundred twenty-five".