40222243423 has 8 divisors (see below), whose sum is σ = 42870301920. Its totient is φ = 37605523200.

The previous prime is 40222243421. The next prime is 40222243427. The reversal of 40222243423 is 32434222204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40222243423 - 2¹ = 40222243421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40222243391 and 40222243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222243421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7831918 + ... + 7837051.

It is an arithmetic number, because the mean of its divisors is an integer number (5358787740).

Almost surely, 2^40222243423 is an apocalyptic number.

40222243423 is a deficient number, since it is larger than the sum of its proper divisors (2648058497).

40222243423 is a wasteful number, since it uses less digits than its factorization.

40222243423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15669137.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40222243423 its reverse (32434222204), we get a palindrome (72656465627).

The spelling of 40222243423 in words is "forty billion, two hundred twenty-two million, two hundred forty-three thousand, four hundred twenty-three".