1022644044628 has 12 divisors (see below), whose sum is σ = 1789690400512. Its totient is φ = 511303930200.

The previous prime is 1022644044623. The next prime is 1022644044683. The reversal of 1022644044628 is 8264404462201.

1022644044628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022644044628² (a number of 25 digits) contains 22 as substring.

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, 4395450 + ... + 4622257.

Almost surely, 2^{1022644044628} is an apocalyptic number.

It is an amenable number.

1022644044628 is a deficient number, since it is larger than the sum of its proper divisors (767046355884).

1022644044628 is a wasteful number, since it uses less digits than its factorization.

1022644044628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046062 (or 9046060 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 43.

The spelling of 1022644044628 in words is "one trillion, twenty-two billion, six hundred forty-four million, forty-four thousand, six hundred twenty-eight".