40320022 has 8 divisors (see below), whose sum is σ = 64037736. Its totient is φ = 18974112.

The previous prime is 40320019. The next prime is 40320029. The reversal of 40320022 is 22002304.

40320022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 40319984 and 40320011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592908 + ... + 592975.

It is an arithmetic number, because the mean of its divisors is an integer number (8004717).

Almost surely, 2^40320022 is an apocalyptic number.

40320022 is a deficient number, since it is larger than the sum of its proper divisors (23717714).

40320022 is a wasteful number, since it uses less digits than its factorization.

40320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185902.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 40320022 is about 6349.8048788919. The cubic root of 40320022 is about 342.9048176595.

Adding to 40320022 its reverse (22002304), we get a palindrome (62322326).

The spelling of 40320022 in words is "forty million, three hundred twenty thousand, twenty-two".