403226345 has 8 divisors (see below), whose sum is σ = 484003464. Its totient is φ = 322493184.

The previous prime is 403226339. The next prime is 403226347. The reversal of 403226345 is 543622304.

It can be written as a sum of positive squares in 4 ways, for example, as 35200489 + 368025856 = 5933^2 + 19184^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403226345 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403226347) 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, 14627 + ... + 31943.

It is an arithmetic number, because the mean of its divisors is an integer number (60500433).

Almost surely, 2^403226345 is an apocalyptic number.

It is an amenable number.

403226345 is a deficient number, since it is larger than the sum of its proper divisors (80777119).

403226345 is a wasteful number, since it uses less digits than its factorization.

403226345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21979.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 403226345 is about 20080.4966323047. The cubic root of 403226345 is about 738.7819900963.

Adding to 403226345 its reverse (543622304), we get a palindrome (946848649).

The spelling of 403226345 in words is "four hundred three million, two hundred twenty-six thousand, three hundred forty-five".