226704644 has 6 divisors (see below), whose sum is σ = 396733134. Its totient is φ = 113352320.

The previous prime is 226704613. The next prime is 226704649. The reversal of 226704644 is 446407622.

It can be written as a sum of positive squares in only one way, i.e., 138344644 + 88360000 = 11762^2 + 9400^2 .

It is a super-3 number, since 3×226704644³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (226704649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28338077 + ... + 28338084.

It is an arithmetic number, because the mean of its divisors is an integer number (66122189).

Almost surely, 2^226704644 is an apocalyptic number.

It is an amenable number.

226704644 is a deficient number, since it is larger than the sum of its proper divisors (170028490).

226704644 is a wasteful number, since it uses less digits than its factorization.

226704644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56676165 (or 56676163 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 226704644 is about 15056.7142497957. The cubic root of 226704644 is about 609.7523351849.

The spelling of 226704644 in words is "two hundred twenty-six million, seven hundred four thousand, six hundred forty-four".