2199020002 has 8 divisors (see below), whose sum is σ = 3327720876. Its totient is φ = 1089779712.

The previous prime is 2199019981. The next prime is 2199020003. The reversal of 2199020002 is 2000209912.

It can be written as a sum of positive squares in 2 ways, for example, as 1764756081 + 434263921 = 42009^2 + 20839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2199020003) 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, 4864863 + ... + 4865314.

Almost surely, 2^2199020002 is an apocalyptic number.

2199020002 is a deficient number, since it is larger than the sum of its proper divisors (1128700874).

2199020002 is a wasteful number, since it uses less digits than its factorization.

2199020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730292.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2199020002 is about 46893.7096208010. The cubic root of 2199020002 is about 1300.3983004395.

Adding to 2199020002 its reverse (2000209912), we get a palindrome (4199229914).

The spelling of 2199020002 in words is "two billion, one hundred ninety-nine million, twenty thousand, two".