226913578 has 4 divisors (see below), whose sum is σ = 340370370. Its totient is φ = 113456788.

The previous prime is 226913573. The next prime is 226913593. The reversal of 226913578 is 875319622.

226913578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 196476289 + 30437289 = 14017^2 + 5517^2 .

It is not an unprimeable number, because it can be changed into a prime (226913573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56728393 + ... + 56728396.

Almost surely, 2^226913578 is an apocalyptic number.

226913578 is a deficient number, since it is larger than the sum of its proper divisors (113456792).

226913578 is a wasteful number, since it uses less digits than its factorization.

226913578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113456791.

The product of its digits is 181440, while the sum is 43.

The square root of 226913578 is about 15063.6508854925. The cubic root of 226913578 is about 609.9395962763.

The spelling of 226913578 in words is "two hundred twenty-six million, nine hundred thirteen thousand, five hundred seventy-eight".