43222345406542 has 8 divisors (see below), whose sum is σ = 64947461025600. Its totient is φ = 21573191731344.

The previous prime is 43222345406413. The next prime is 43222345406549. The reversal of 43222345406542 is 24560454322234.

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

It is a super-2 number, since 2×43222345406542² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43222345406492 and 43222345406501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43222345406549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18990484542 + ... + 18990486817.

It is an arithmetic number, because the mean of its divisors is an integer number (8118432628200).

Almost surely, 2^{43222345406542} is an apocalyptic number.

43222345406542 is a deficient number, since it is larger than the sum of its proper divisors (21725115619058).

43222345406542 is a wasteful number, since it uses less digits than its factorization.

43222345406542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37980971930.

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 43222345406542 its reverse (24560454322234), we get a palindrome (67782799728776).

The spelling of 43222345406542 in words is "forty-three trillion, two hundred twenty-two billion, three hundred forty-five million, four hundred six thousand, five hundred forty-two".