1222752775025 has 24 divisors (see below), whose sum is σ = 1623440747160. Its totient is φ = 910316380160.

The previous prime is 1222752775007. The next prime is 1222752775033. The reversal of 1222752775025 is 5205772572221.

It can be written as a sum of positive squares in 12 ways, for example, as 159775278961 + 1062977496064 = 399719^2 + 1031008^2 .

It is not a de Polignac number, because 1222752775025 - 2¹² = 1222752770929 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16125464 + ... + 16201113.

It is an arithmetic number, because the mean of its divisors is an integer number (67643364465).

Almost surely, 2^{1222752775025} is an apocalyptic number.

It is an amenable number.

1222752775025 is a deficient number, since it is larger than the sum of its proper divisors (400687972135).

1222752775025 is a wasteful number, since it uses less digits than its factorization.

1222752775025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326693 (or 32326688 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 47.

The spelling of 1222752775025 in words is "one trillion, two hundred twenty-two billion, seven hundred fifty-two million, seven hundred seventy-five thousand, twenty-five".