1022644044623 has 2 divisors, whose sum is σ = 1022644044624. Its totient is φ = 1022644044622.

The previous prime is 1022644044601. The next prime is 1022644044683. The reversal of 1022644044623 is 3264404462201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022644044623 - 2¹⁶ = 1022643979087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022644044683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511322022311 + 511322022312.

It is an arithmetic number, because the mean of its divisors is an integer number (511322022312).

Almost surely, 2^{1022644044623} is an apocalyptic number.

1022644044623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022644044623 is an equidigital number, since it uses as much as digits as its factorization.

1022644044623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 1022644044623 in words is "one trillion, twenty-two billion, six hundred forty-four million, forty-four thousand, six hundred twenty-three".