226448407 has 4 divisors (see below), whose sum is σ = 226635696. Its totient is φ = 226261120.

The previous prime is 226448389. The next prime is 226448429. The reversal of 226448407 is 704844622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704844622 = 2 ⋅352422311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226448407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226448447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91819 + ... + 94252.

It is an arithmetic number, because the mean of its divisors is an integer number (56658924).

Almost surely, 2^226448407 is an apocalyptic number.

226448407 is a deficient number, since it is larger than the sum of its proper divisors (187289).

226448407 is a wasteful number, since it uses less digits than its factorization.

226448407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187288.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 226448407 is about 15048.2027830569. The cubic root of 226448407 is about 609.5225207325.

The spelling of 226448407 in words is "two hundred twenty-six million, four hundred forty-eight thousand, four hundred seven".