405223300 has 36 divisors (see below), whose sum is σ = 882569380. Its totient is φ = 161493120.

The previous prime is 405223277. The next prime is 405223337. The reversal of 405223300 is 3322504.

It can be written as a sum of positive squares in 6 ways, for example, as 91508356 + 313714944 = 9566^2 + 17712^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20386 + ... + 35014.

Almost surely, 2^405223300 is an apocalyptic number.

It is an amenable number.

405223300 is an abundant number, since it is smaller than the sum of its proper divisors (477346080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405223300 is a wasteful number, since it uses less digits than its factorization.

405223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14920 (or 14913 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 405223300 is about 20130.1589660887. The cubic root of 405223300 is about 739.9995738980. Note that the first 3 decimals are identical.

Adding to 405223300 its reverse (3322504), we get a palindrome (408545804).

The spelling of 405223300 in words is "four hundred five million, two hundred twenty-three thousand, three hundred".