222212001210 has 64 divisors (see below), whose sum is σ = 538647183360. Its totient is φ = 58663725120.

The previous prime is 222212001199. The next prime is 222212001223. The reversal of 222212001210 is 12100212222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222212001210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12842665 + ... + 12859955.

It is an arithmetic number, because the mean of its divisors is an integer number (8416362240).

Almost surely, 2^222212001210 is an apocalyptic number.

222212001210 is an abundant number, since it is smaller than the sum of its proper divisors (316435182150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222212001210 is a wasteful number, since it uses less digits than its factorization.

222212001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21563.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222212001210 its reverse (12100212222), we get a palindrome (234312213432).

The spelling of 222212001210 in words is "two hundred twenty-two billion, two hundred twelve million, one thousand, two hundred ten".