40403222 has 8 divisors (see below), whose sum is σ = 60674376. Its totient is φ = 20178432.

The previous prime is 40403201. The next prime is 40403243. The reversal of 40403222 is 22230404.

It is an interprime number because it is at equal distance from previous prime (40403201) and next prime (40403243).

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 40403222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9323 + ... + 12950.

It is an arithmetic number, because the mean of its divisors is an integer number (7584297).

Almost surely, 2^40403222 is an apocalyptic number.

40403222 is a deficient number, since it is larger than the sum of its proper divisors (20271154).

40403222 is a wasteful number, since it uses less digits than its factorization.

40403222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23182.

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

The square root of 40403222 is about 6356.3528851064. The cubic root of 40403222 is about 343.1405159412.

Adding to 40403222 its reverse (22230404), we get a palindrome (62633626).

The spelling of 40403222 in words is "forty million, four hundred three thousand, two hundred twenty-two".