226398403 has 8 divisors (see below), whose sum is σ = 282263040. Its totient is φ = 176414280.

The previous prime is 226398379. The next prime is 226398413. The reversal of 226398403 is 304893622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-226398403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226398413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470043 + ... + 1470196.

It is an arithmetic number, because the mean of its divisors is an integer number (35282880).

Almost surely, 2^226398403 is an apocalyptic number.

226398403 is a deficient number, since it is larger than the sum of its proper divisors (55864637).

226398403 is a wasteful number, since it uses less digits than its factorization.

226398403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940257.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 226398403 is about 15046.5412304622. The cubic root of 226398403 is about 609.4776528113.

It can be divided in two parts, 226398 and 403, that added together give a triangular number (226801 = T₆₇₃).

The spelling of 226398403 in words is "two hundred twenty-six million, three hundred ninety-eight thousand, four hundred three".