1022002220209 has 4 divisors (see below), whose sum is σ = 1024742172916. Its totient is φ = 1019262267504.

The previous prime is 1022002220207. The next prime is 1022002220219. The reversal of 1022002220209 is 9020222002201.

1022002220209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 867319690000 + 154682530209 = 931300^2 + 393297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022002220209 - 2¹ = 1022002220207 is a prime.

It is a super-2 number, since 2×1022002220209² (a number of 25 digits) contains 22 as substring.

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 1022002220209.

It is not an unprimeable number, because it can be changed into a prime (1022002220207) 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, 1369975794 + ... + 1369976539.

It is an arithmetic number, because the mean of its divisors is an integer number (256185543229).

Almost surely, 2^{1022002220209} is an apocalyptic number.

It is an amenable number.

1022002220209 is a deficient number, since it is larger than the sum of its proper divisors (2739952707).

1022002220209 is an equidigital number, since it uses as much as digits as its factorization.

1022002220209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739952706.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 1022002220209 in words is "one trillion, twenty-two billion, two million, two hundred twenty thousand, two hundred nine".