40223330 has 16 divisors (see below), whose sum is σ = 82745280. Its totient is φ = 13790832.

The previous prime is 40223321. The next prime is 40223341. The reversal of 40223330 is 3332204.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40223299 and 40223308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287240 + ... + 287379.

It is an arithmetic number, because the mean of its divisors is an integer number (5171580).

Almost surely, 2^40223330 is an apocalyptic number.

40223330 is an abundant number, since it is smaller than the sum of its proper divisors (42521950).

40223330 is a wasteful number, since it uses less digits than its factorization.

40223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574633.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40223330 is about 6342.1865314732. The cubic root of 40223330 is about 342.6304899977.

Adding to 40223330 its reverse (3332204), we get a palindrome (43555534).

It can be divided in two parts, 402 and 23330, that added together give a palindrome (23732).

The spelling of 40223330 in words is "forty million, two hundred twenty-three thousand, three hundred thirty".