1020022219 has 4 divisors (see below), whose sum is σ = 1080023544. Its totient is φ = 960020896.

The previous prime is 1020022189. The next prime is 1020022261. The reversal of 1020022219 is 9122200201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020022219 - 2¹¹ = 1020020171 is a prime.

It is a super-2 number, since 2×1020022219² = 2080890654507367922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020022196 and 1020022205.

It is not an unprimeable number, because it can be changed into a prime (1020022279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30000637 + ... + 30000670.

It is an arithmetic number, because the mean of its divisors is an integer number (270005886).

Almost surely, 2^1020022219 is an apocalyptic number.

1020022219 is a deficient number, since it is larger than the sum of its proper divisors (60001325).

1020022219 is an equidigital number, since it uses as much as digits as its factorization.

1020022219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60001324.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1020022219 is about 31937.7866953864. The cubic root of 1020022219 is about 1006.6300187064.

The spelling of 1020022219 in words is "one billion, twenty million, twenty-two thousand, two hundred nineteen".