1022222099 has 4 divisors (see below), whose sum is σ = 1029082800. Its totient is φ = 1015361400.

The previous prime is 1022222093. The next prime is 1022222147. The reversal of 1022222099 is 9902222201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9902222201 = 6983 ⋅1418047.

It is a cyclic number.

It is not a de Polignac number, because 1022222099 - 2⁴ = 1022222083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022222093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3430127 + ... + 3430424.

It is an arithmetic number, because the mean of its divisors is an integer number (257270700).

Almost surely, 2^1022222099 is an apocalyptic number.

1022222099 is a deficient number, since it is larger than the sum of its proper divisors (6860701).

1022222099 is an equidigital number, since it uses as much as digits as its factorization.

1022222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860700.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1022222099 is about 31972.2082283974. The cubic root of 1022222099 is about 1007.3531647750.

The spelling of 1022222099 in words is "one billion, twenty-two million, two hundred twenty-two thousand, ninety-nine".