42004422422402 has 12 divisors (see below), whose sum is σ = 69255225399318. Its totient is φ = 19092919282800.

The previous prime is 42004422422401. The next prime is 42004422422461. The reversal of 42004422422402 is 20422422440024.

It can be written as a sum of positive squares in only one way, i.e., 34256333057881 + 7748089364521 = 5852891^2 + 2783539^2 .

It is a super-2 number, since 2×42004422422402² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42004422422401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86785996499 + ... + 86785996982.

Almost surely, 2^{42004422422402} is an apocalyptic number.

42004422422402 is a deficient number, since it is larger than the sum of its proper divisors (27250802976916).

42004422422402 is a wasteful number, since it uses less digits than its factorization.

42004422422402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173571993505 (or 173571993494 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42004422422402 its reverse (20422422440024), we get a palindrome (62426844862426).

The spelling of 42004422422402 in words is "forty-two trillion, four billion, four hundred twenty-two million, four hundred twenty-two thousand, four hundred two".