226706644 has 6 divisors (see below), whose sum is σ = 396736634. Its totient is φ = 113353320.

The previous prime is 226706633. The next prime is 226706647. The reversal of 226706644 is 446607622.

It can be written as a sum of positive squares in only one way, i.e., 178543044 + 48163600 = 13362^2 + 6940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226706647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28338327 + ... + 28338334.

Almost surely, 2^226706644 is an apocalyptic number.

It is an amenable number.

226706644 is a deficient number, since it is larger than the sum of its proper divisors (170029990).

226706644 is a wasteful number, since it uses less digits than its factorization.

226706644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56676665 (or 56676663 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 226706644 is about 15056.7806652020. The cubic root of 226706644 is about 609.7541282684.

The spelling of 226706644 in words is "two hundred twenty-six million, seven hundred six thousand, six hundred forty-four".