1022080999 has 2 divisors, whose sum is σ = 1022081000. Its totient is φ = 1022080998.

The previous prime is 1022080993. The next prime is 1022081057. The reversal of 1022080999 is 9990802201.

It is a weak prime.

It is an emirp because it is prime and its reverse (9990802201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022080999 - 2⁹ = 1022080487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022080993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511040499 + 511040500.

It is an arithmetic number, because the mean of its divisors is an integer number (511040500).

Almost surely, 2^1022080999 is an apocalyptic number.

1022080999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022080999 is an equidigital number, since it uses as much as digits as its factorization.

1022080999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1022080999 is about 31970.0015483265. The cubic root of 1022080999 is about 1007.3068134416.

It can be divided in two parts, 10220 and 80999, that added together give a palindrome (91219).

The spelling of 1022080999 in words is "one billion, twenty-two million, eighty thousand, nine hundred ninety-nine".