132405222 has 8 divisors (see below), whose sum is σ = 264810456. Its totient is φ = 44135072.

The previous prime is 132405149. The next prime is 132405269. The reversal of 132405222 is 222504231.

It is a sphenic number, since it is the product of 3 distinct primes.

132405222 is an admirable number.

It is a super-2 number, since 2×132405222² = 35062285625738568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11033763 + ... + 11033774.

It is an arithmetic number, because the mean of its divisors is an integer number (33101307).

Almost surely, 2^132405222 is an apocalyptic number.

132405222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

132405222 is a wasteful number, since it uses less digits than its factorization.

132405222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22067542.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 132405222 is about 11506.7468035062. The cubic root of 132405222 is about 509.6848264125.

Adding to 132405222 its reverse (222504231), we get a palindrome (354909453).

Subtracting 132405222 from its reverse (222504231), we obtain a palindrome (90099009).

The spelling of 132405222 in words is "one hundred thirty-two million, four hundred five thousand, two hundred twenty-two".