40022212231 has 4 divisors (see below), whose sum is σ = 40389388600. Its totient is φ = 39655035864.

The previous prime is 40022212189. The next prime is 40022212253. The reversal of 40022212231 is 13221222004.

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 40022212231 - 2¹¹ = 40022210183 is a prime.

It is a super-2 number, since 2×40022212231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40022212199 and 40022212208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022212271) 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, 183588021 + ... + 183588238.

It is an arithmetic number, because the mean of its divisors is an integer number (10097347150).

Almost surely, 2^40022212231 is an apocalyptic number.

40022212231 is a deficient number, since it is larger than the sum of its proper divisors (367176369).

40022212231 is a wasteful number, since it uses less digits than its factorization.

40022212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367176368.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40022212231 its reverse (13221222004), we get a palindrome (53243434235).

The spelling of 40022212231 in words is "forty billion, twenty-two million, two hundred twelve thousand, two hundred thirty-one".