132222312 has 48 divisors (see below), whose sum is σ = 367787940. Its totient is φ = 42882048.

The previous prime is 132222301. The next prime is 132222313. The reversal of 132222312 is 213222231.

132222312 is a `hidden beast` number, since 132 + 222 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 131194116 + 1028196 = 11454^2 + 1014^2 .

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.

It is not an unprimeable number, because it can be changed into a prime (132222313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22153 + ... + 27480.

Almost surely, 2^132222312 is an apocalyptic number.

132222312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132222312 is an abundant number, since it is smaller than the sum of its proper divisors (235565628).

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

132222312 is a wasteful number, since it uses less digits than its factorization.

132222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49682 (or 49675 counting only the distinct ones).

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

The square root of 132222312 is about 11498.7961108979. The cubic root of 132222312 is about 509.4500184190.

Adding to 132222312 its reverse (213222231), we get a palindrome (345444543).

It can be divided in two parts, 13222231 and 2, that multiplied together give a palindrome (26444462).

The spelling of 132222312 in words is "one hundred thirty-two million, two hundred twenty-two thousand, three hundred twelve".