1025222366669 has 2 divisors, whose sum is σ = 1025222366670. Its totient is φ = 1025222366668.

The previous prime is 1025222366639. The next prime is 1025222366683. The reversal of 1025222366669 is 9666632225201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 918137658025 + 107084708644 = 958195^2 + 327238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025222366669 - 2¹² = 1025222362573 is a prime.

It is a super-2 number, since 2×1025222366669² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025222366639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512611183334 + 512611183335.

It is an arithmetic number, because the mean of its divisors is an integer number (512611183335).

Almost surely, 2^{1025222366669} is an apocalyptic number.

It is an amenable number.

1025222366669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025222366669 is an equidigital number, since it uses as much as digits as its factorization.

1025222366669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 1025222366669 in words is "one trillion, twenty-five billion, two hundred twenty-two million, three hundred sixty-six thousand, six hundred sixty-nine".