40821922 has 8 divisors (see below), whose sum is σ = 61388316. Its totient is φ = 20359152.

The previous prime is 40821919. The next prime is 40821929. The reversal of 40821922 is 22912804.

40821922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40819321 + 2601 = 6389^2 + 51^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40821929) 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, 24913 + ... + 26500.

Almost surely, 2^40821922 is an apocalyptic number.

40821922 is a deficient number, since it is larger than the sum of its proper divisors (20566394).

40821922 is a wasteful number, since it uses less digits than its factorization.

40821922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51812.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 40821922 is about 6389.2035497392. The cubic root of 40821922 is about 344.3217705439.

The spelling of 40821922 in words is "forty million, eight hundred twenty-one thousand, nine hundred twenty-two".