1022256174479 has 2 divisors, whose sum is σ = 1022256174480. Its totient is φ = 1022256174478.

The previous prime is 1022256174451. The next prime is 1022256174517. The reversal of 1022256174479 is 9744716522201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022256174479 - 2¹⁶ = 1022256108943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022256174409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511128087239 + 511128087240.

It is an arithmetic number, because the mean of its divisors is an integer number (511128087240).

Almost surely, 2^{1022256174479} is an apocalyptic number.

1022256174479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022256174479 is an equidigital number, since it uses as much as digits as its factorization.

1022256174479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 1022256174479 in words is "one trillion, twenty-two billion, two hundred fifty-six million, one hundred seventy-four thousand, four hundred seventy-nine".