2202211212 has 72 divisors (see below), whose sum is σ = 5487686400. Its totient is φ = 687202560.

The previous prime is 2202211097. The next prime is 2202211241. The reversal of 2202211212 is 2121122022.

It is a super-3 number, since 3×2202211212³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2202211191 and 2202211200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688537 + ... + 691727.

Almost surely, 2^2202211212 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 2202211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743843200).

2202211212 is an abundant number, since it is smaller than the sum of its proper divisors (3285475188).

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

2202211212 is a wasteful number, since it uses less digits than its factorization.

2202211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431 (or 3412 counting only the distinct ones).

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

The square root of 2202211212 is about 46927.7232773976. The cubic root of 2202211212 is about 1301.0270408573.

Adding to 2202211212 its reverse (2121122022), we get a palindrome (4323333234).

The spelling of 2202211212 in words is "two billion, two hundred two million, two hundred eleven thousand, two hundred twelve".