2100022202 has 4 divisors (see below), whose sum is σ = 3150033306. Its totient is φ = 1050011100.

The previous prime is 2100022201. The next prime is 2100022217. The reversal of 2100022202 is 2022200012.

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

It can be written as a sum of positive squares in only one way, i.e., 1489882801 + 610139401 = 38599^2 + 24701^2 .

It is not an unprimeable number, because it can be changed into a prime (2100022201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525005549 + ... + 525005552.

Almost surely, 2^2100022202 is an apocalyptic number.

2100022202 is a deficient number, since it is larger than the sum of its proper divisors (1050011104).

2100022202 is a wasteful number, since it uses less digits than its factorization.

2100022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050011103.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2100022202 is about 45825.9991925981. Note that the first 3 decimals coincide. The cubic root of 2100022202 is about 1280.5836778952.

Adding to 2100022202 its reverse (2022200012), we get a palindrome (4122222214).

The spelling of 2100022202 in words is "two billion, one hundred million, twenty-two thousand, two hundred two".