222010212222 has 96 divisors (see below), whose sum is σ = 500501514240. Its totient is φ = 71060898240.

The previous prime is 222010212197. The next prime is 222010212251. The reversal of 222010212222 is 222212010222.

222010212222 is a `hidden beast` number, since 2 + 220 + 10 + 212 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222010212195 and 222010212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79543647 + ... + 79546437.

It is an arithmetic number, because the mean of its divisors is an integer number (5213557440).

Almost surely, 2^222010212222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222010212222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250250757120).

222010212222 is an abundant number, since it is smaller than the sum of its proper divisors (278491302018).

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

222010212222 is a wasteful number, since it uses less digits than its factorization.

222010212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222010212222 its reverse (222212010222), we get a palindrome (444222222444).

The spelling of 222010212222 in words is "two hundred twenty-two billion, ten million, two hundred twelve thousand, two hundred twenty-two".