40143322 has 8 divisors (see below), whose sum is σ = 60263136. Its totient is φ = 20055612.

The previous prime is 40143317. The next prime is 40143343. The reversal of 40143322 is 22334104.

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

It is a super-2 number, since 2×40143322² = 3222972602391368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40143322.

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, 4608 + ... + 10075.

It is an arithmetic number, because the mean of its divisors is an integer number (7532892).

Almost surely, 2^40143322 is an apocalyptic number.

40143322 is a deficient number, since it is larger than the sum of its proper divisors (20119814).

40143322 is a wasteful number, since it uses less digits than its factorization.

40143322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40143322 is about 6335.8757879239. The cubic root of 40143322 is about 342.4031644120.

Adding to 40143322 its reverse (22334104), we get a palindrome (62477426).

The spelling of 40143322 in words is "forty million, one hundred forty-three thousand, three hundred twenty-two".