132220231 has 8 divisors (see below), whose sum is σ = 155335824. Its totient is φ = 110953920.

The previous prime is 132220229. The next prime is 132220241. The reversal of 132220231 is 132022231.

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

It is not a de Polignac number, because 132220231 - 2¹ = 132220229 is a prime.

It is a super-2 number, since 2×132220231² = 34964378971386722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132220201) 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, 462166 + ... + 462451.

It is an arithmetic number, because the mean of its divisors is an integer number (19416978).

Almost surely, 2^132220231 is an apocalyptic number.

132220231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132220231 is a deficient number, since it is larger than the sum of its proper divisors (23115593).

132220231 is a wasteful number, since it uses less digits than its factorization.

132220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924641.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 132220231 is about 11498.7056228082. The cubic root of 132220231 is about 509.4473457207.

Adding to 132220231 its reverse (132022231), we get a palindrome (264242462).

The spelling of 132220231 in words is "one hundred thirty-two million, two hundred twenty thousand, two hundred thirty-one".