222001000210 has 48 divisors (see below), whose sum is σ = 440021633688. Its totient is φ = 80582458880.

The previous prime is 222001000189. The next prime is 222001000213. The reversal of 222001000210 is 12000100222.

It can be written as a sum of positive squares in 4 ways, for example, as 189086695281 + 32914304929 = 434841^2 + 181423^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (222001000213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509274 + ... + 838666.

Almost surely, 2^222001000210 is an apocalyptic number.

222001000210 is a deficient number, since it is larger than the sum of its proper divisors (218020633478).

222001000210 is a wasteful number, since it uses less digits than its factorization.

222001000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329979 (or 329968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 222001000210 its reverse (12000100222), we get a palindrome (234001100432).

The spelling of 222001000210 in words is "two hundred twenty-two billion, one million, two hundred ten", and thus it is an aban number.