22442345442 has 96 divisors (see below), whose sum is σ = 53794802880. Its totient is φ = 6705192960.

The previous prime is 22442345389. The next prime is 22442345459. The reversal of 22442345442 is 24454324422.

It is a happy number.

22442345442 is a `hidden beast` number, since 224 + 423 + 4 + 5 + 4 + 4 + 2 = 666.

It is a super-3 number, since 3×22442345442³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22442345397 and 22442345406.

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 47 ways as a sum of consecutive naturals, for example, 5433234 + ... + 5437362.

It is an arithmetic number, because the mean of its divisors is an integer number (560362530).

Almost surely, 2^22442345442 is an apocalyptic number.

22442345442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22442345442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26897401440).

22442345442 is an abundant number, since it is smaller than the sum of its proper divisors (31352457438).

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

22442345442 is a wasteful number, since it uses less digits than its factorization.

22442345442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4525 counting only the distinct ones).

The product of its digits is 245760, while the sum is 36.

Adding to 22442345442 its reverse (24454324422), we get a palindrome (46896669864).

The spelling of 22442345442 in words is "twenty-two billion, four hundred forty-two million, three hundred forty-five thousand, four hundred forty-two".