40422282 has 16 divisors (see below), whose sum is σ = 81036480. Its totient is φ = 13442112.

The previous prime is 40422281. The next prime is 40422301. The reversal of 40422282 is 28222404.

It is not an unprimeable number, because it can be changed into a prime (40422281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5182 + ... + 10377.

It is an arithmetic number, because the mean of its divisors is an integer number (5064780).

Almost surely, 2^40422282 is an apocalyptic number.

40422282 is an abundant number, since it is smaller than the sum of its proper divisors (40614198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40422282 is a wasteful number, since it uses less digits than its factorization.

40422282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15997.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 40422282 is about 6357.8519957608. The cubic root of 40422282 is about 343.1944656820.

Adding to 40422282 its reverse (28222404), we get a palindrome (68644686).

It can be divided in two parts, 40422 and 282, that added together give a palindrome (40704).

The spelling of 40422282 in words is "forty million, four hundred twenty-two thousand, two hundred eighty-two".