22420142022 has 16 divisors (see below), whose sum is σ = 44844198912. Its totient is φ = 7472728200.

The previous prime is 22420141999. The next prime is 22420142029. The reversal of 22420142022 is 22024102422.

It is a self number, because there is not a number n which added to its sum of digits gives 22420142022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420142029) by changing a digit.

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, 85854 + ... + 228497.

It is an arithmetic number, because the mean of its divisors is an integer number (2802762432).

Almost surely, 2^22420142022 is an apocalyptic number.

22420142022 is an abundant number, since it is smaller than the sum of its proper divisors (22424056890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22420142022 is a wasteful number, since it uses less digits than its factorization.

22420142022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326243.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22420142022 its reverse (22024102422), we get a palindrome (44444244444).

The spelling of 22420142022 in words is "twenty-two billion, four hundred twenty million, one hundred forty-two thousand, twenty-two".