40020022 has 8 divisors (see below), whose sum is σ = 68605776. Its totient is φ = 17151432.

The previous prime is 40020017. The next prime is 40020037. The reversal of 40020022 is 22002004.

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 = 40019990 and 40020008.

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, 1429273 + ... + 1429300.

It is an arithmetic number, because the mean of its divisors is an integer number (8575722).

Almost surely, 2^40020022 is an apocalyptic number.

40020022 is a deficient number, since it is larger than the sum of its proper divisors (28585754).

40020022 is a wasteful number, since it uses less digits than its factorization.

40020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858582.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 40020022 is about 6326.1380003917. The cubic root of 40020022 is about 342.0522417145.

Adding to 40020022 its reverse (22002004), we get a palindrome (62022026).

It can be divided in two parts, 4002002 and 2, that added together give a palindrome (4002004).

The spelling of 40020022 in words is "forty million, twenty thousand, twenty-two".