40022141 has 4 divisors (see below), whose sum is σ = 40040832. Its totient is φ = 40003452.

The previous prime is 40022137. The next prime is 40022149. The reversal of 40022141 is 14122004.

40022141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40022141 - 2² = 40022137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022149) 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, 5645 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (10010208).

Almost surely, 2^40022141 is an apocalyptic number.

It is an amenable number.

40022141 is a deficient number, since it is larger than the sum of its proper divisors (18691).

40022141 is a wasteful number, since it uses less digits than its factorization.

40022141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18690.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40022141 is about 6326.3054779231. The cubic root of 40022141 is about 342.0582786587.

Adding to 40022141 its reverse (14122004), we get a palindrome (54144145).

The spelling of 40022141 in words is "forty million, twenty-two thousand, one hundred forty-one".