4472266 has 4 divisors (see below), whose sum is σ = 6708402. Its totient is φ = 2236132.

The previous prime is 4472263. The next prime is 4472267. The reversal of 4472266 is 6622744.

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., 2706025 + 1766241 = 1645^2 + 1329^2 .

It is not an unprimeable number, because it can be changed into a prime (4472261) 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, 1118065 + ... + 1118068.

Almost surely, 2^4472266 is an apocalyptic number.

4472266 is the 1338-th centered pentagonal number.

4472266 is a deficient number, since it is larger than the sum of its proper divisors (2236136).

4472266 is a wasteful number, since it uses less digits than its factorization.

4472266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236135.

The product of its digits is 16128, while the sum is 31.

The square root of 4472266 is about 2114.7732738996. The cubic root of 4472266 is about 164.7564941950.

The spelling of 4472266 in words is "four million, four hundred seventy-two thousand, two hundred sixty-six".