40422911 has 4 divisors (see below), whose sum is σ = 40646424. Its totient is φ = 40199400.

The previous prime is 40422901. The next prime is 40422913. The reversal of 40422911 is 11922404.

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

It is a cyclic number.

It is not a de Polignac number, because 40422911 - 2¹⁸ = 40160767 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40422913) 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 in 3 ways as a sum of consecutive naturals, for example, 111485 + ... + 111846.

It is an arithmetic number, because the mean of its divisors is an integer number (10161606).

Almost surely, 2^40422911 is an apocalyptic number.

40422911 is a deficient number, since it is larger than the sum of its proper divisors (223513).

40422911 is a wasteful number, since it uses less digits than its factorization.

40422911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223512.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 40422911 is about 6357.9014619605. The cubic root of 40422911 is about 343.1962457909.

The spelling of 40422911 in words is "forty million, four hundred twenty-two thousand, nine hundred eleven".