322212132 has 72 divisors (see below), whose sum is σ = 912580032. Its totient is φ = 94996800.

The previous prime is 322212131. The next prime is 322212139. The reversal of 322212132 is 231212223.

322212132 is a `hidden beast` number, since 322 + 212 + 132 = 666.

322212132 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

322212132 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (322212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3657 + ... + 25647.

Almost surely, 2^322212132 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 322212132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456290016).

322212132 is an abundant number, since it is smaller than the sum of its proper divisors (590367900).

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

322212132 is a wasteful number, since it uses less digits than its factorization.

322212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22049 (or 22044 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 322212132 is about 17950.2682988305. The cubic root of 322212132 is about 685.5628825702.

Adding to 322212132 its reverse (231212223), we get a palindrome (553424355).

Subtracting from 322212132 its reverse (231212223), we obtain a palindrome (90999909).

The spelling of 322212132 in words is "three hundred twenty-two million, two hundred twelve thousand, one hundred thirty-two".