132728222 has 8 divisors (see below), whose sum is σ = 217191672. Its totient is φ = 60331000.

The previous prime is 132728221. The next prime is 132728227. The reversal of 132728222 is 222827231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132728221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016529 + ... + 3016572.

It is an arithmetic number, because the mean of its divisors is an integer number (27148959).

Almost surely, 2^132728222 is an apocalyptic number.

132728222 is a deficient number, since it is larger than the sum of its proper divisors (84463450).

132728222 is a wasteful number, since it uses less digits than its factorization.

132728222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033114.

The product of its digits is 5376, while the sum is 29.

The square root of 132728222 is about 11520.7734983377. The cubic root of 132728222 is about 510.0989453032.

Subtracting 132728222 from its reverse (222827231), we obtain a palindrome (90099009).

The spelling of 132728222 in words is "one hundred thirty-two million, seven hundred twenty-eight thousand, two hundred twenty-two".