226492578 has 64 divisors (see below), whose sum is σ = 570595200. Its totient is φ = 66018240.

The previous prime is 226492537. The next prime is 226492583. The reversal of 226492578 is 875294622.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4848 + ... + 21828.

It is an arithmetic number, because the mean of its divisors is an integer number (8915550).

Almost surely, 2^226492578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226492578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285297600).

226492578 is an abundant number, since it is smaller than the sum of its proper divisors (344102622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226492578 is a wasteful number, since it uses less digits than its factorization.

226492578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17024 (or 17018 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 226492578 is about 15049.6703618385. The cubic root of 226492578 is about 609.5621492867.

It can be divided in two parts, 226 and 492578, that added together give a square (492804 = 702²).

The spelling of 226492578 in words is "two hundred twenty-six million, four hundred ninety-two thousand, five hundred seventy-eight".