42223416638 has 72 divisors (see below), whose sum is σ = 72061032888. Its totient is φ = 18541224000.

The previous prime is 42223416637. The next prime is 42223416661. The reversal of 42223416638 is 83661432224.

It is a super-2 number, since 2×42223416638² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42223416595 and 42223416604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223416637) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19812833 + ... + 19814963.

It is an arithmetic number, because the mean of its divisors is an integer number (1000847679).

Almost surely, 2^42223416638 is an apocalyptic number.

42223416638 is a deficient number, since it is larger than the sum of its proper divisors (29837616250).

42223416638 is a wasteful number, since it uses less digits than its factorization.

42223416638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2238 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The spelling of 42223416638 in words is "forty-two billion, two hundred twenty-three million, four hundred sixteen thousand, six hundred thirty-eight".