42225445522 has 8 divisors (see below), whose sum is σ = 68210335116. Its totient is φ = 19488667152.

The previous prime is 42225445469. The next prime is 42225445541. The reversal of 42225445522 is 22554452224.

It can be written as a sum of positive squares in 2 ways, for example, as 32349259881 + 9876185641 = 179859^2 + 99379^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812027773 + ... + 812027824.

Almost surely, 2^42225445522 is an apocalyptic number.

42225445522 is a deficient number, since it is larger than the sum of its proper divisors (25984889594).

42225445522 is a wasteful number, since it uses less digits than its factorization.

42225445522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624055612.

The product of its digits is 256000, while the sum is 37.

Adding to 42225445522 its reverse (22554452224), we get a palindrome (64779897746).

The spelling of 42225445522 in words is "forty-two billion, two hundred twenty-five million, four hundred forty-five thousand, five hundred twenty-two".