1022644044629 has 4 divisors (see below), whose sum is σ = 1082799576684. Its totient is φ = 962488512576.

The previous prime is 1022644044623. The next prime is 1022644044683. The reversal of 1022644044629 is 9264404462201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 818319252100 + 204324792529 = 904610^2 + 452023^2 .

It is not a de Polignac number, because 1022644044629 - 2²⁸ = 1022375609173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022644044629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022644044623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30077766002 + ... + 30077766035.

It is an arithmetic number, because the mean of its divisors is an integer number (270699894171).

Almost surely, 2^{1022644044629} is an apocalyptic number.

It is an amenable number.

1022644044629 is a deficient number, since it is larger than the sum of its proper divisors (60155532055).

1022644044629 is an equidigital number, since it uses as much as digits as its factorization.

1022644044629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60155532054.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 1022644044629 in words is "one trillion, twenty-two billion, six hundred forty-four million, forty-four thousand, six hundred twenty-nine".