1022204965991 has 8 divisors (see below), whose sum is σ = 1145271411984. Its totient is φ = 904161640320.

The previous prime is 1022204965981. The next prime is 1022204965997. The reversal of 1022204965991 is 1995694022201.

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 1022204965991 - 2¹⁸ = 1022204703847 is a prime.

It is a super-2 number, since 2×1022204965991² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022204965997) 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 7 ways as a sum of consecutive naturals, for example, 1255779650 + ... + 1255780463.

It is an arithmetic number, because the mean of its divisors is an integer number (143158926498).

Almost surely, 2^{1022204965991} is an apocalyptic number.

1022204965991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022204965991 is a deficient number, since it is larger than the sum of its proper divisors (123066445993).

1022204965991 is a wasteful number, since it uses less digits than its factorization.

1022204965991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511560161.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1022204965991 in words is "one trillion, twenty-two billion, two hundred four million, nine hundred sixty-five thousand, nine hundred ninety-one".