226044985 has 4 divisors (see below), whose sum is σ = 271253988. Its totient is φ = 180835984.

The previous prime is 226044983. The next prime is 226045003. The reversal of 226044985 is 589440622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589440622 = 2 ⋅294720311.

It can be written as a sum of positive squares in 2 ways, for example, as 74459641 + 151585344 = 8629^2 + 12312^2 .

It is a cyclic number.

It is not a de Polignac number, because 226044985 - 2¹ = 226044983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226044983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22604494 + ... + 22604503.

It is an arithmetic number, because the mean of its divisors is an integer number (67813497).

Almost surely, 2^226044985 is an apocalyptic number.

It is an amenable number.

226044985 is a deficient number, since it is larger than the sum of its proper divisors (45209003).

226044985 is an equidigital number, since it uses as much as digits as its factorization.

226044985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45209002.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 226044985 is about 15034.7924827714. The cubic root of 226044985 is about 609.1603470489.

The spelling of 226044985 in words is "two hundred twenty-six million, forty-four thousand, nine hundred eighty-five".