1022212199 has 4 divisors (see below), whose sum is σ = 1022332080. Its totient is φ = 1022092320.

The previous prime is 1022212171. The next prime is 1022212201. The reversal of 1022212199 is 9912122201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022212199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022212699) 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, 46082 + ... + 64559.

It is an arithmetic number, because the mean of its divisors is an integer number (255583020).

Almost surely, 2^1022212199 is an apocalyptic number.

1022212199 is a deficient number, since it is larger than the sum of its proper divisors (119881).

1022212199 is an equidigital number, since it uses as much as digits as its factorization.

1022212199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119880.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1022212199 is about 31972.0534060607. The cubic root of 1022212199 is about 1007.3499127653.

The spelling of 1022212199 in words is "one billion, twenty-two million, two hundred twelve thousand, one hundred ninety-nine".