1622242197077 has 2 divisors, whose sum is σ = 1622242197078. Its totient is φ = 1622242197076.

The previous prime is 1622242197067. The next prime is 1622242197131. The reversal of 1622242197077 is 7707912422261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1607504479876 + 14737717201 = 1267874^2 + 121399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622242197077 - 2¹⁸ = 1622241934933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622242197067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811121098538 + 811121098539.

It is an arithmetic number, because the mean of its divisors is an integer number (811121098539).

Almost surely, 2^{1622242197077} is an apocalyptic number.

It is an amenable number.

1622242197077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622242197077 is an equidigital number, since it uses as much as digits as its factorization.

1622242197077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 1622242197077 in words is "one trillion, six hundred twenty-two billion, two hundred forty-two million, one hundred ninety-seven thousand, seventy-seven".