40043222 has 8 divisors (see below), whose sum is σ = 63226200. Its totient is φ = 18967824.

The previous prime is 40043209. The next prime is 40043233. The reversal of 40043222 is 22234004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40043222.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 526847 + ... + 526922.

It is an arithmetic number, because the mean of its divisors is an integer number (7903275).

Almost surely, 2^40043222 is an apocalyptic number.

40043222 is a deficient number, since it is larger than the sum of its proper divisors (23182978).

40043222 is a wasteful number, since it uses less digits than its factorization.

40043222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053790.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40043222 is about 6327.9713969012. The cubic root of 40043222 is about 342.1183259615.

Adding to 40043222 its reverse (22234004), we get a palindrome (62277226).

The spelling of 40043222 in words is "forty million, forty-three thousand, two hundred twenty-two".