42222044122 has 16 divisors (see below), whose sum is σ = 63696886344. Its totient is φ = 20989800000.

The previous prime is 42222044119. The next prime is 42222044149. The reversal of 42222044122 is 22144022224.

It can be written as a sum of positive squares in 4 ways, for example, as 11403890521 + 30818153601 = 106789^2 + 175551^2 .

It is a super-2 number, since 2×42222044122² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2155372 + ... + 2174872.

Almost surely, 2^42222044122 is an apocalyptic number.

42222044122 is a deficient number, since it is larger than the sum of its proper divisors (21474842222).

42222044122 is a wasteful number, since it uses less digits than its factorization.

42222044122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25665.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 42222044122 its reverse (22144022224), we get a palindrome (64366066346).

The spelling of 42222044122 in words is "forty-two billion, two hundred twenty-two million, forty-four thousand, one hundred twenty-two".