326644228 has 6 divisors (see below), whose sum is σ = 571627406. Its totient is φ = 163322112.

The previous prime is 326644187. The next prime is 326644249. The reversal of 326644228 is 822446623.

It can be written as a sum of positive squares in only one way, i.e., 221950404 + 104693824 = 14898^2 + 10232^2 .

It is an unprimeable number.

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, 40830525 + ... + 40830532.

Almost surely, 2^326644228 is an apocalyptic number.

It is an amenable number.

326644228 is a deficient number, since it is larger than the sum of its proper divisors (244983178).

326644228 is a wasteful number, since it uses less digits than its factorization.

326644228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81661061 (or 81661059 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 326644228 is about 18073.3015246247. The cubic root of 326644228 is about 688.6919333394.

The spelling of 326644228 in words is "three hundred twenty-six million, six hundred forty-four thousand, two hundred twenty-eight".