22110022242 has 48 divisors (see below), whose sum is σ = 59725778112. Its totient is φ = 5742862560.

The previous prime is 22110022229. The next prime is 22110022261. The reversal of 22110022242 is 24222001122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7974813 + ... + 7977584.

It is an arithmetic number, because the mean of its divisors is an integer number (1244287044).

Almost surely, 2^22110022242 is an apocalyptic number.

22110022242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22110022242 is an abundant number, since it is smaller than the sum of its proper divisors (37615755870).

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

22110022242 is a wasteful number, since it uses less digits than its factorization.

22110022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15952423 (or 15952420 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22110022242 its reverse (24222001122), we get a palindrome (46332023364).

It can be divided in two parts, 221100 and 22242, that added together give a palindrome (243342).

The spelling of 22110022242 in words is "twenty-two billion, one hundred ten million, twenty-two thousand, two hundred forty-two".