1022429899 has 2 divisors, whose sum is σ = 1022429900. Its totient is φ = 1022429898.

The previous prime is 1022429873. The next prime is 1022429977. The reversal of 1022429899 is 9989242201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022429899 - 2⁵ = 1022429867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022429819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511214949 + 511214950.

It is an arithmetic number, because the mean of its divisors is an integer number (511214950).

Almost surely, 2^1022429899 is an apocalyptic number.

1022429899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022429899 is an equidigital number, since it uses as much as digits as its factorization.

1022429899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1022429899 is about 31975.4577606013. The cubic root of 1022429899 is about 1007.4214192848.

The spelling of 1022429899 in words is "one billion, twenty-two million, four hundred twenty-nine thousand, eight hundred ninety-nine".