222132212220 has 24 divisors (see below), whose sum is σ = 621970194384. Its totient is φ = 59235256576.

The previous prime is 222132212131. The next prime is 222132212221. The reversal of 222132212220 is 22212231222.

It is a super-2 number, since 2×222132212220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222132212221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851101709 + ... + 1851101828.

It is an arithmetic number, because the mean of its divisors is an integer number (25915424766).

Almost surely, 2^222132212220 is an apocalyptic number.

222132212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222132212220 is an abundant number, since it is smaller than the sum of its proper divisors (399837982164).

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

222132212220 is a wasteful number, since it uses less digits than its factorization.

222132212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702203549 (or 3702203547 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222132212220 its reverse (22212231222), we get a palindrome (244344443442).

The spelling of 222132212220 in words is "two hundred twenty-two billion, one hundred thirty-two million, two hundred twelve thousand, two hundred twenty".