4644226 has 4 divisors (see below), whose sum is σ = 6966342. Its totient is φ = 2322112.

The previous prime is 4644221. The next prime is 4644251. The reversal of 4644226 is 6224464.

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., 4223025 + 421201 = 2055^2 + 649^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4644194 and 4644203.

It is not an unprimeable number, because it can be changed into a prime (4644221) 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, 1161055 + ... + 1161058.

Almost surely, 2^4644226 is an apocalyptic number.

4644226 is a deficient number, since it is larger than the sum of its proper divisors (2322116).

4644226 is a wasteful number, since it uses less digits than its factorization.

4644226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322115.

The product of its digits is 9216, while the sum is 28.

The square root of 4644226 is about 2155.0466352263. The cubic root of 4644226 is about 166.8416393542.

The spelling of 4644226 in words is "four million, six hundred forty-four thousand, two hundred twenty-six".