40122241 has 4 divisors (see below), whose sum is σ = 40182532. Its totient is φ = 40061952.

The previous prime is 40122239. The next prime is 40122259. The reversal of 40122241 is 14222104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30294016 + 9828225 = 5504^2 + 3135^2 .

It is a cyclic number.

It is not a de Polignac number, because 40122241 - 2¹ = 40122239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40123241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29136 + ... + 30481.

It is an arithmetic number, because the mean of its divisors is an integer number (10045633).

Almost surely, 2^40122241 is an apocalyptic number.

It is an amenable number.

40122241 is a deficient number, since it is larger than the sum of its proper divisors (60291).

40122241 is an equidigital number, since it uses as much as digits as its factorization.

40122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60290.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 40122241 is about 6334.2119478274. The cubic root of 40122241 is about 342.3432169982.

Adding to 40122241 its reverse (14222104), we get a palindrome (54344345).

The spelling of 40122241 in words is "forty million, one hundred twenty-two thousand, two hundred forty-one".