132220001 has 8 divisors (see below), whose sum is σ = 136926504. Its totient is φ = 127595520.

The previous prime is 132219973. The next prime is 132220037. The reversal of 132220001 is 100022231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21864976 + 110355025 = 4676^2 + 10505^2 .

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 132220001 - 2⁶ = 132219937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132220051) 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, 17216 + ... + 23681.

It is an arithmetic number, because the mean of its divisors is an integer number (17115813).

Almost surely, 2^132220001 is an apocalyptic number.

It is an amenable number.

132220001 is a deficient number, since it is larger than the sum of its proper divisors (4706503).

132220001 is an equidigital number, since it uses as much as digits as its factorization.

132220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41011.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 132220001 is about 11498.6956216781. The cubic root of 132220001 is about 509.4470503222.

Adding to 132220001 its reverse (100022231), we get a palindrome (232242232).

The spelling of 132220001 in words is "one hundred thirty-two million, two hundred twenty thousand, one".