1022221000049 has 2 divisors, whose sum is σ = 1022221000050. Its totient is φ = 1022221000048.

The previous prime is 1022221000019. The next prime is 1022221000063. The reversal of 1022221000049 is 9400001222201.

1022221000049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866565501025 + 155655499024 = 930895^2 + 394532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022221000049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022220999988 and 1022221000033.

It is not a weakly prime, because it can be changed into another prime (1022221000019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110500024 + 511110500025.

It is an arithmetic number, because the mean of its divisors is an integer number (511110500025).

Almost surely, 2^{1022221000049} is an apocalyptic number.

It is an amenable number.

1022221000049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022221000049 is an equidigital number, since it uses as much as digits as its factorization.

1022221000049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1022221000049 in words is "one trillion, twenty-two billion, two hundred twenty-one million, forty-nine", and thus it is an aban number.