2019220002 has 40 divisors (see below), whose sum is σ = 4721276736. Its totient is φ = 643808088.

The previous prime is 2019220001. The next prime is 2019220019. The reversal of 2019220002 is 2000229102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2019220001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 267238 + ... + 274689.

Almost surely, 2^2019220002 is an apocalyptic number.

2019220002 is an abundant number, since it is smaller than the sum of its proper divisors (2702056734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2019220002 is a wasteful number, since it uses less digits than its factorization.

2019220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541964 (or 541955 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2019220002 is about 44935.7319068022. The cubic root of 2019220002 is about 1263.9441375094.

Adding to 2019220002 its reverse (2000229102), we get a palindrome (4019449104).

The spelling of 2019220002 in words is "two billion, nineteen million, two hundred twenty thousand, two".