42222002444 has 12 divisors (see below), whose sum is σ = 73889961600. Its totient is φ = 21110584848.

The previous prime is 42222002429. The next prime is 42222002453. The reversal of 42222002444 is 44420022224.

It is a super-2 number, since 2×42222002444² (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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289022 + ... + 409850.

It is an arithmetic number, because the mean of its divisors is an integer number (6157496800).

Almost surely, 2^42222002444 is an apocalyptic number.

It is an amenable number.

42222002444 is a deficient number, since it is larger than the sum of its proper divisors (31667959156).

42222002444 is a wasteful number, since it uses less digits than its factorization.

42222002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208192 (or 208190 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42222002444 its reverse (44420022224), we get a palindrome (86642024668).

The spelling of 42222002444 in words is "forty-two billion, two hundred twenty-two million, two thousand, four hundred forty-four".