132220556 has 12 divisors (see below), whose sum is σ = 249184992. Its totient is φ = 61024848.

The previous prime is 132220511. The next prime is 132220559. The reversal of 132220556 is 655022231.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (132220559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271300 + ... + 1271403.

It is an arithmetic number, because the mean of its divisors is an integer number (20765416).

Almost surely, 2^132220556 is an apocalyptic number.

It is an amenable number.

132220556 is a deficient number, since it is larger than the sum of its proper divisors (116964436).

132220556 is a wasteful number, since it uses less digits than its factorization.

132220556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542720 (or 2542718 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 132220556 is about 11498.7197548249. The cubic root of 132220556 is about 509.4477631310.

Adding to 132220556 its reverse (655022231), we get a palindrome (787242787).

The spelling of 132220556 in words is "one hundred thirty-two million, two hundred twenty thousand, five hundred fifty-six".