42220005424442 has 16 divisors (see below), whose sum is σ = 63560478469920. Its totient is φ = 21033183685968.

The previous prime is 42220005424439. The next prime is 42220005424447. The reversal of 42220005424442 is 24442450002224.

It is a super-2 number, since 2×42220005424442² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42220005424447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18335813 + ... + 20509559.

It is an arithmetic number, because the mean of its divisors is an integer number (3972529904370).

Almost surely, 2^{42220005424442} is an apocalyptic number.

42220005424442 is a deficient number, since it is larger than the sum of its proper divisors (21340473045478).

42220005424442 is a wasteful number, since it uses less digits than its factorization.

42220005424442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209085.

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 42220005424442 its reverse (24442450002224), we get a palindrome (66662455426666).

The spelling of 42220005424442 in words is "forty-two trillion, two hundred twenty billion, five million, four hundred twenty-four thousand, four hundred forty-two".