472522 has 4 divisors (see below), whose sum is σ = 708786. Its totient is φ = 236260.

The previous prime is 472477. The next prime is 472523. The reversal of 472522 is 225274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 303601 + 168921 = 551^2 + 411^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 472493 and 472502.

It is not an unprimeable number, because it can be changed into a prime (472523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118129 + ... + 118132.

2⁴⁷²⁵²² is an apocalyptic number.

472522 is a deficient number, since it is larger than the sum of its proper divisors (236264).

472522 is a wasteful number, since it uses less digits than its factorization.

472522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236263.

The product of its digits is 1120, while the sum is 22.

The square root of 472522 is about 687.4023567024. The cubic root of 472522 is about 77.8886203436. Note that the first 3 decimals are identical.

Adding to 472522 its reverse (225274), we get a palindrome (697796).

The spelling of 472522 in words is "four hundred seventy-two thousand, five hundred twenty-two".