132722172 has 96 divisors (see below), whose sum is σ = 383523840. Its totient is φ = 39346560.

The previous prime is 132722147. The next prime is 132722173. The reversal of 132722172 is 271227231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132722173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54648 + ... + 57024.

It is an arithmetic number, because the mean of its divisors is an integer number (3995040).

Almost surely, 2^132722172 is an apocalyptic number.

132722172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132722172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191761920).

132722172 is an abundant number, since it is smaller than the sum of its proper divisors (250801668).

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

132722172 is a wasteful number, since it uses less digits than its factorization.

132722172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2440 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 132722172 is about 11520.5109261699. The cubic root of 132722172 is about 510.0911947649.

The spelling of 132722172 in words is "one hundred thirty-two million, seven hundred twenty-two thousand, one hundred seventy-two".