63224172 has 96 divisors (see below), whose sum is σ = 188294400. Its totient is φ = 18144000.

The previous prime is 63224141. The next prime is 63224179. The reversal of 63224172 is 27142236.

63224172 is a `hidden beast` number, since 632 + 24 + 1 + 7 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (63224179) 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, 21172 + ... + 23972.

It is an arithmetic number, because the mean of its divisors is an integer number (1961400).

Almost surely, 2^63224172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63224172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94147200).

63224172 is an abundant number, since it is smaller than the sum of its proper divisors (125070228).

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

63224172 is a wasteful number, since it uses less digits than its factorization.

63224172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844 (or 2836 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 63224172 is about 7951.3629020439. The cubic root of 63224172 is about 398.3771161918.

The spelling of 63224172 in words is "sixty-three million, two hundred twenty-four thousand, one hundred seventy-two".