1022431099 has 4 divisors (see below), whose sum is σ = 1026122464. Its totient is φ = 1018739736.

The previous prime is 1022431093. The next prime is 1022431127. The reversal of 1022431099 is 9901342201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9901342201 = 1063 ⋅9314527.

It is a cyclic number.

It is not a de Polignac number, because 1022431099 - 2⁷ = 1022430971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022431099.

It is not an unprimeable number, because it can be changed into a prime (1022431093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845267 + ... + 1845820.

It is an arithmetic number, because the mean of its divisors is an integer number (256530616).

Almost surely, 2^1022431099 is an apocalyptic number.

1022431099 is a deficient number, since it is larger than the sum of its proper divisors (3691365).

1022431099 is an equidigital number, since it uses as much as digits as its factorization.

1022431099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691364.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1022431099 is about 31975.4765249871. The cubic root of 1022431099 is about 1007.4218134130.

The spelling of 1022431099 in words is "one billion, twenty-two million, four hundred thirty-one thousand, ninety-nine".