1022168387 has 2 divisors, whose sum is σ = 1022168388. Its totient is φ = 1022168386.

The previous prime is 1022168353. The next prime is 1022168447. The reversal of 1022168387 is 7838612201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022168387 is a prime.

It is a super-2 number, since 2×1022168387² = 2089656422764363538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022168387.

It is not a weakly prime, because it can be changed into another prime (1022168347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511084193 + 511084194.

It is an arithmetic number, because the mean of its divisors is an integer number (511084194).

Almost surely, 2^1022168387 is an apocalyptic number.

1022168387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022168387 is an equidigital number, since it uses as much as digits as its factorization.

1022168387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1022168387 is about 31971.3682378468. The cubic root of 1022168387 is about 1007.3355208921.

The spelling of 1022168387 in words is "one billion, twenty-two million, one hundred sixty-eight thousand, three hundred eighty-seven".