210020002222 has 4 divisors (see below), whose sum is σ = 315030003336. Its totient is φ = 105010001110.

The previous prime is 210020002219. The next prime is 210020002253. The reversal of 210020002222 is 222200020012.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52505000554 + ... + 52505000557.

It is an arithmetic number, because the mean of its divisors is an integer number (78757500834).

Almost surely, 2^210020002222 is an apocalyptic number.

210020002222 is a deficient number, since it is larger than the sum of its proper divisors (105010001114).

210020002222 is a wasteful number, since it uses less digits than its factorization.

210020002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105010001113.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 210020002222 its reverse (222200020012), we get a palindrome (432220022234).

The spelling of 210020002222 in words is "two hundred ten billion, twenty million, two thousand, two hundred twenty-two".