172227552 has 288 divisors, whose sum is σ = 579156480. Its totient is φ = 44513280.

The previous prime is 172227487. The next prime is 172227553. The reversal of 172227552 is 255722271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172227553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3664393 + ... + 3664439.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^172227552 is an apocalyptic number.

172227552 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 172227552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289578240).

172227552 is an abundant number, since it is smaller than the sum of its proper divisors (406928928).

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

172227552 is a wasteful number, since it uses less digits than its factorization.

172227552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 119 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 172227552 is about 13123.5495198517. The cubic root of 172227552 is about 556.3749174991.

It can be divided in two parts, 1722 and 27552, that multiplied together give a square (47444544 = 6888²).

The spelling of 172227552 in words is "one hundred seventy-two million, two hundred twenty-seven thousand, five hundred fifty-two".