1022231099 has 2 divisors, whose sum is σ = 1022231100. Its totient is φ = 1022231098.

The previous prime is 1022231083. The next prime is 1022231137. The reversal of 1022231099 is 9901322201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022231099 - 2⁴ = 1022231083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022231009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511115549 + 511115550.

It is an arithmetic number, because the mean of its divisors is an integer number (511115550).

Almost surely, 2^1022231099 is an apocalyptic number.

1022231099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022231099 is an equidigital number, since it uses as much as digits as its factorization.

1022231099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1022231099 is about 31972.3489753255. The cubic root of 1022231099 is about 1007.3561211292.

The spelling of 1022231099 in words is "one billion, twenty-two million, two hundred thirty-one thousand, ninety-nine".