672226 has 4 divisors (see below), whose sum is σ = 1008342. Its totient is φ = 336112.

The previous prime is 672223. The next prime is 672227. The reversal of 672226 is 622276.

It is a happy number.

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., 641601 + 30625 = 801^2 + 175^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 672226.

It is not an unprimeable number, because it can be changed into a prime (672223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168055 + ... + 168058.

2⁶⁷²²²⁶ is an apocalyptic number.

672226 is a deficient number, since it is larger than the sum of its proper divisors (336116).

672226 is a wasteful number, since it uses less digits than its factorization.

672226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336115.

The product of its digits is 2016, while the sum is 25.

The square root of 672226 is about 819.8938955743. The cubic root of 672226 is about 87.6002008572.

It can be divided in two parts, 672 and 226, that added together give a palindrome (898).

The spelling of 672226 in words is "six hundred seventy-two thousand, two hundred twenty-six".