22420444042 has 16 divisors (see below), whose sum is σ = 34435469952. Its totient is φ = 10945020240.

The previous prime is 22420444027. The next prime is 22420444063. The reversal of 22420444042 is 24044402422.

It is a super-2 number, since 2×22420444042² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22420444042.

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, 751833 + ... + 781084.

It is an arithmetic number, because the mean of its divisors is an integer number (2152216872).

Almost surely, 2^22420444042 is an apocalyptic number.

22420444042 is a deficient number, since it is larger than the sum of its proper divisors (12015025910).

22420444042 is a wasteful number, since it uses less digits than its factorization.

22420444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533093.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22420444042 its reverse (24044402422), we get a palindrome (46464846464).

The spelling of 22420444042 in words is "twenty-two billion, four hundred twenty million, four hundred forty-four thousand, forty-two".