2100002022 has 48 divisors (see below), whose sum is σ = 4579061760. Its totient is φ = 695548656.

The previous prime is 2100002017. The next prime is 2100002039. The reversal of 2100002022 is 2202000012.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2100001995 and 2100002013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2888223 + ... + 2888949.

It is an arithmetic number, because the mean of its divisors is an integer number (95397120).

Almost surely, 2^2100002022 is an apocalyptic number.

2100002022 is an abundant number, since it is smaller than the sum of its proper divisors (2479059738).

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

2100002022 is a wasteful number, since it uses less digits than its factorization.

2100002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2100002022 is about 45825.7790113818. The cubic root of 2100002022 is about 1280.5795759923.

Adding to 2100002022 its reverse (2202000012), we get a palindrome (4302002034).

The spelling of 2100002022 in words is "two billion, one hundred million, two thousand, twenty-two".