4472522 has 4 divisors (see below), whose sum is σ = 6708786. Its totient is φ = 2236260.

The previous prime is 4472509. The next prime is 4472527. The reversal of 4472522 is 2252744.

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., 2430481 + 2042041 = 1559^2 + 1429^2 .

It is a d-powerful number, because it can be written as 4² + 4⁴ + 7² + 2⁷ + 5⁶ + 2¹⁸ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4472491 and 4472500.

It is not an unprimeable number, because it can be changed into a prime (4472527) 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, 1118129 + ... + 1118132.

Almost surely, 2^4472522 is an apocalyptic number.

4472522 is a deficient number, since it is larger than the sum of its proper divisors (2236264).

4472522 is a wasteful number, since it uses less digits than its factorization.

4472522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236263.

The product of its digits is 4480, while the sum is 26.

The square root of 4472522 is about 2114.8337996164. The cubic root of 4472522 is about 164.7596377809.

It can be divided in two parts, 4472 and 522, that added together give a palindrome (4994).

The spelling of 4472522 in words is "four million, four hundred seventy-two thousand, five hundred twenty-two".