1022642265731 has 2 divisors, whose sum is σ = 1022642265732. Its totient is φ = 1022642265730.

The previous prime is 1022642265719. The next prime is 1022642265769. The reversal of 1022642265731 is 1375622462201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022642265731 - 2¹⁸ = 1022642003587 is a prime.

It is a super-2 number, since 2×1022642265731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022642255731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511321132865 + 511321132866.

It is an arithmetic number, because the mean of its divisors is an integer number (511321132866).

Almost surely, 2^{1022642265731} is an apocalyptic number.

1022642265731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022642265731 is an equidigital number, since it uses as much as digits as its factorization.

1022642265731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 1022642265731 in words is "one trillion, twenty-two billion, six hundred forty-two million, two hundred sixty-five thousand, seven hundred thirty-one".