40040222 has 8 divisors (see below), whose sum is σ = 60310272. Its totient is φ = 19936800.

The previous prime is 40040197. The next prime is 40040227. The reversal of 40040222 is 22204004.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 40040197 and 40040206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41054 + ... + 42017.

It is an arithmetic number, because the mean of its divisors is an integer number (7538784).

Almost surely, 2^40040222 is an apocalyptic number.

40040222 is a deficient number, since it is larger than the sum of its proper divisors (20270050).

40040222 is a wasteful number, since it uses less digits than its factorization.

40040222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83314.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 40040222 is about 6327.7343496705. The cubic root of 40040222 is about 342.1097820219.

Adding to 40040222 its reverse (22204004), we get a palindrome (62244226).

The spelling of 40040222 in words is "forty million, forty thousand, two hundred twenty-two".