42224006431 has 12 divisors (see below), whose sum is σ = 43967582472. Its totient is φ = 40519849536.

The previous prime is 42224006423. The next prime is 42224006483. The reversal of 42224006431 is 13460042224.

It is not a de Polignac number, because 42224006431 - 2³ = 42224006423 is a prime.

It is a super-2 number, since 2×42224006431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42224006431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224006401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90100 + ... + 304246.

It is an arithmetic number, because the mean of its divisors is an integer number (3663965206).

Almost surely, 2^42224006431 is an apocalyptic number.

42224006431 is a deficient number, since it is larger than the sum of its proper divisors (1743576041).

42224006431 is an equidigital number, since it uses as much as digits as its factorization.

42224006431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214330 (or 214257 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42224006431 its reverse (13460042224), we get a palindrome (55684048655).

The spelling of 42224006431 in words is "forty-two billion, two hundred twenty-four million, six thousand, four hundred thirty-one".