132172220454 has 32 divisors (see below), whose sum is σ = 270849567744. Its totient is φ = 42973677120.

The previous prime is 132172220431. The next prime is 132172220459. The reversal of 132172220454 is 454022271231.

It is a happy number.

It is a super-2 number, since 2×132172220454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132172220459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151347 + ... + 1260929.

It is an arithmetic number, because the mean of its divisors is an integer number (8464048992).

Almost surely, 2^132172220454 is an apocalyptic number.

132172220454 is an abundant number, since it is smaller than the sum of its proper divisors (138677347290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132172220454 is a wasteful number, since it uses less digits than its factorization.

132172220454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114532.

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 132172220454 its reverse (454022271231), we get a palindrome (586194491685).

The spelling of 132172220454 in words is "one hundred thirty-two billion, one hundred seventy-two million, two hundred twenty thousand, four hundred fifty-four".