1022210019949 has 2 divisors, whose sum is σ = 1022210019950. Its totient is φ = 1022210019948.

The previous prime is 1022210019899. The next prime is 1022210020067. The reversal of 1022210019949 is 9499100122201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552224361924 + 469985658025 = 743118^2 + 685555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022210019949 - 2¹⁷ = 1022209888877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022210019349) 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 as a sum of consecutive naturals, namely, 511105009974 + 511105009975.

It is an arithmetic number, because the mean of its divisors is an integer number (511105009975).

Almost surely, 2^{1022210019949} is an apocalyptic number.

It is an amenable number.

1022210019949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022210019949 is an equidigital number, since it uses as much as digits as its factorization.

1022210019949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 1022210019949 in words is "one trillion, twenty-two billion, two hundred ten million, nineteen thousand, nine hundred forty-nine".