403222805 has 8 divisors (see below), whose sum is σ = 488658744. Its totient is φ = 319384000.

The previous prime is 403222801. The next prime is 403222819. The reversal of 403222805 is 508222304.

It can be written as a sum of positive squares in 4 ways, for example, as 139192804 + 264030001 = 11798^2 + 16249^2 .

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

It is not a de Polignac number, because 403222805 - 2² = 403222801 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 (403222801) 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, 398726 + ... + 399735.

It is an arithmetic number, because the mean of its divisors is an integer number (61082343).

Almost surely, 2^403222805 is an apocalyptic number.

It is an amenable number.

403222805 is a deficient number, since it is larger than the sum of its proper divisors (85435939).

403222805 is a wasteful number, since it uses less digits than its factorization.

403222805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798567.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 403222805 is about 20080.4084868809. The cubic root of 403222805 is about 738.7798281212.

The spelling of 403222805 in words is "four hundred three million, two hundred twenty-two thousand, eight hundred five".