424422444442 has 8 divisors (see below), whose sum is σ = 636641625600. Its totient is φ = 212208569244.

The previous prime is 424422444379. The next prime is 424422444443. The reversal of 424422444442 is 244444224424.

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

It is a super-2 number, since 2×424422444442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424422444395 and 424422444404.

It is not an unprimeable number, because it can be changed into a prime (424422444443) 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, 1120092 + ... + 1450327.

It is an arithmetic number, because the mean of its divisors is an integer number (79580203200).

Almost surely, 2^424422444442 is an apocalyptic number.

424422444442 is a deficient number, since it is larger than the sum of its proper divisors (212219181158).

424422444442 is a wasteful number, since it uses less digits than its factorization.

424422444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652980.

The product of its digits is 1048576, while the sum is 40.

Adding to 424422444442 its reverse (244444224424), we get a palindrome (668866668866).

The spelling of 424422444442 in words is "four hundred twenty-four billion, four hundred twenty-two million, four hundred forty-four thousand, four hundred forty-two".