40315222 has 8 divisors (see below), whose sum is σ = 60525000. Its totient is φ = 20140224.

The previous prime is 40315189. The next prime is 40315229. The reversal of 40315222 is 22251304.

40315222 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 super-3 number, since 3×40315222³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40315222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315229) 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, 5572 + ... + 10567.

It is an arithmetic number, because the mean of its divisors is an integer number (7565625).

Almost surely, 2^40315222 is an apocalyptic number.

40315222 is a deficient number, since it is larger than the sum of its proper divisors (20209778).

40315222 is a wasteful number, since it uses less digits than its factorization.

40315222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40315222 is about 6349.4269032725. The cubic root of 40315222 is about 342.8912097928.

Adding to 40315222 its reverse (22251304), we get a palindrome (62566526).

It can be divided in two parts, 403 and 15222, that added together give a 6-th power (15625 = 5⁶).

The spelling of 40315222 in words is "forty million, three hundred fifteen thousand, two hundred twenty-two".