40222141 has 2 divisors, whose sum is σ = 40222142. Its totient is φ = 40222140.

The previous prime is 40222123. The next prime is 40222163. The reversal of 40222141 is 14122204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24651225 + 15570916 = 4965^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 40222141 - 2¹³ = 40213949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111070 + 20111071.

It is an arithmetic number, because the mean of its divisors is an integer number (20111071).

Almost surely, 2^40222141 is an apocalyptic number.

It is an amenable number.

40222141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40222141 is an equidigital number, since it uses as much as digits as its factorization.

40222141 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40222141 is about 6342.0927933924. The cubic root of 40222141 is about 342.6271139166.

Adding to 40222141 its reverse (14122204), we get a palindrome (54344345).

The spelling of 40222141 in words is "forty million, two hundred twenty-two thousand, one hundred forty-one".