1222411240025 has 48 divisors (see below), whose sum is σ = 1602986978160. Its totient is φ = 923354342400.

The previous prime is 1222411240021. The next prime is 1222411240031. The reversal of 1222411240025 is 5200421142221.

It can be written as a sum of positive squares in 24 ways, for example, as 479842987849 + 742568252176 = 692707^2 + 861724^2 .

It is not a de Polignac number, because 1222411240025 - 2² = 1222411240021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222411239976 and 1222411240003.

It is not an unprimeable number, because it can be changed into a prime (1222411240021) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7571039 + ... + 7730811.

It is an arithmetic number, because the mean of its divisors is an integer number (33395562045).

Almost surely, 2^{1222411240025} is an apocalyptic number.

It is an amenable number.

1222411240025 is a deficient number, since it is larger than the sum of its proper divisors (380575738135).

1222411240025 is a wasteful number, since it uses less digits than its factorization.

1222411240025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160046 (or 160041 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1222411240025 its reverse (5200421142221), we get a palindrome (6422832382246).

The spelling of 1222411240025 in words is "one trillion, two hundred twenty-two billion, four hundred eleven million, two hundred forty thousand, twenty-five".