1222952880385 has 8 divisors (see below), whose sum is σ = 1467556854120. Its totient is φ = 978353372544.

The previous prime is 1222952880377. The next prime is 1222952880389. The reversal of 1222952880385 is 5830882592221.

It is a Cunningham number, because it is equal to 1105872²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 69457548304 + 1153495332081 = 263548^2 + 1074009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222952880385 - 2³ = 1222952880377 is a prime.

It is a super-2 number, since 2×1222952880385² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222952880389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481150 + ... + 1636279.

It is an arithmetic number, because the mean of its divisors is an integer number (183444606765).

Almost surely, 2^{1222952880385} is an apocalyptic number.

It is an amenable number.

1222952880385 is a deficient number, since it is larger than the sum of its proper divisors (244603973735).

1222952880385 is a wasteful number, since it uses less digits than its factorization.

1222952880385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232947.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 1222952880385 in words is "one trillion, two hundred twenty-two billion, nine hundred fifty-two million, eight hundred eighty thousand, three hundred eighty-five".