42125240222 has 16 divisors (see below), whose sum is σ = 69887614272. Its totient is φ = 18916947360.

The previous prime is 42125240221. The next prime is 42125240401. The reversal of 42125240222 is 22204252124.

It is a happy number.

It is a super-2 number, since 2×42125240222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 42125240191 and 42125240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42125240221) 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, 21893654 + ... + 21895577.

It is an arithmetic number, because the mean of its divisors is an integer number (4367975892).

Almost surely, 2^42125240222 is an apocalyptic number.

42125240222 is a deficient number, since it is larger than the sum of its proper divisors (27762374050).

42125240222 is a wasteful number, since it uses less digits than its factorization.

42125240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43789283.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 42125240222 its reverse (22204252124), we get a palindrome (64329492346).

The spelling of 42125240222 in words is "forty-two billion, one hundred twenty-five million, two hundred forty thousand, two hundred twenty-two".