222259212 has 144 divisors (see below), whose sum is σ = 692170752. Its totient is φ = 58734720.

The previous prime is 222259199. The next prime is 222259229. The reversal of 222259212 is 212952222.

222259212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×222259212³ (a number of 26 digits) contains 333 as substring.

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, 179058 + ... + 180294.

Almost surely, 2^222259212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222259212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346085376).

222259212 is an abundant number, since it is smaller than the sum of its proper divisors (469911540).

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

222259212 is a wasteful number, since it uses less digits than its factorization.

222259212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1303 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 222259212 is about 14908.3604732378. The cubic root of 222259212 is about 605.7404698563.

The spelling of 222259212 in words is "two hundred twenty-two million, two hundred fifty-nine thousand, two hundred twelve".