132228181 has 8 divisors (see below), whose sum is σ = 133308864. Its totient is φ = 131152320.

The previous prime is 132228119. The next prime is 132228221. The reversal of 132228181 is 181822231.

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

It is a cyclic number.

It is not a de Polignac number, because 132228181 - 2¹⁷ = 132097109 is a prime.

It is a super-2 number, since 2×132228181² = 34968583701137522, 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 (132228281) 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, 69661 + ... + 71533.

It is an arithmetic number, because the mean of its divisors is an integer number (16663608).

Almost surely, 2^132228181 is an apocalyptic number.

It is an amenable number.

132228181 is a deficient number, since it is larger than the sum of its proper divisors (1080683).

132228181 is a wasteful number, since it uses less digits than its factorization.

132228181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411.

The product of its digits is 1536, while the sum is 28.

The square root of 132228181 is about 11499.0513086950. The cubic root of 132228181 is about 509.4575560221.

The spelling of 132228181 in words is "one hundred thirty-two million, two hundred twenty-eight thousand, one hundred eighty-one".