1022099999 has 2 divisors, whose sum is σ = 1022100000. Its totient is φ = 1022099998.

The previous prime is 1022099971. The next prime is 1022100007. The reversal of 1022099999 is 9999902201.

1022099999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022099999 - 2¹² = 1022095903 is a prime.

1022099999 is a modest number, since divided by 99999 gives 10220 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022099909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511049999 + 511050000.

It is an arithmetic number, because the mean of its divisors is an integer number (511050000).

Almost surely, 2^1022099999 is an apocalyptic number.

1022099999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022099999 is an equidigital number, since it uses as much as digits as its factorization.

1022099999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 1022099999 is about 31970.2987005126. The cubic root of 1022099999 is about 1007.3130551879.

The spelling of 1022099999 in words is "one billion, twenty-two million, ninety-nine thousand, nine hundred ninety-nine".