222212020210 has 8 divisors (see below), whose sum is σ = 399981636396. Its totient is φ = 88884808080.

The previous prime is 222212020207. The next prime is 222212020223. The reversal of 222212020210 is 12020212222.

It can be written as a sum of positive squares in 2 ways, for example, as 207233442441 + 14978577769 = 455229^2 + 122387^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11110601001 + ... + 11110601020.

Almost surely, 2^222212020210 is an apocalyptic number.

222212020210 is a deficient number, since it is larger than the sum of its proper divisors (177769616186).

222212020210 is a wasteful number, since it uses less digits than its factorization.

222212020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221202028.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222212020210 its reverse (12020212222), we get a palindrome (234232232432).

The spelling of 222212020210 in words is "two hundred twenty-two billion, two hundred twelve million, twenty thousand, two hundred ten".