2100222242 has 8 divisors (see below), whose sum is σ = 3161086236. Its totient is φ = 1046526832.

The previous prime is 2100222239. The next prime is 2100222283. The reversal of 2100222242 is 2422220012.

It can be written as a sum of positive squares in 2 ways, for example, as 1902791641 + 197430601 = 43621^2 + 14051^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2100222242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791413 + ... + 1792584.

Almost surely, 2^2100222242 is an apocalyptic number.

2100222242 is a deficient number, since it is larger than the sum of its proper divisors (1060863994).

2100222242 is a wasteful number, since it uses less digits than its factorization.

2100222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584292.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2100222242 is about 45828.1817444245. The cubic root of 2100222242 is about 1280.6243377551.

Adding to 2100222242 its reverse (2422220012), we get a palindrome (4522442254).

The spelling of 2100222242 in words is "two billion, one hundred million, two hundred twenty-two thousand, two hundred forty-two".