1204422086557 has 2 divisors, whose sum is σ = 1204422086558. Its totient is φ = 1204422086556.

The previous prime is 1204422086519. The next prime is 1204422086599. The reversal of 1204422086557 is 7556802244021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097453188836 + 106968897721 = 1047594^2 + 327061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204422086557 - 2¹⁹ = 1204421562269 is a prime.

It is a super-2 number, since 2×1204422086557² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204422086657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602211043278 + 602211043279.

It is an arithmetic number, because the mean of its divisors is an integer number (602211043279).

Almost surely, 2^{1204422086557} is an apocalyptic number.

It is an amenable number.

1204422086557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204422086557 is an equidigital number, since it uses as much as digits as its factorization.

1204422086557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 1204422086557 in words is "one trillion, two hundred four billion, four hundred twenty-two million, eighty-six thousand, five hundred fifty-seven".