22001303442 has 16 divisors (see below), whose sum is σ = 44056082880. Its totient is φ = 7324855152.

The previous prime is 22001303431. The next prime is 22001303461. The reversal of 22001303442 is 24430310022.

It is a super-2 number, since 2×22001303442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222817 + ... + 2232692.

It is an arithmetic number, because the mean of its divisors is an integer number (2753505180).

Almost surely, 2^22001303442 is an apocalyptic number.

22001303442 is an abundant number, since it is smaller than the sum of its proper divisors (22054779438).

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

22001303442 is a wasteful number, since it uses less digits than its factorization.

22001303442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456337.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22001303442 its reverse (24430310022), we get a palindrome (46431613464).

The spelling of 22001303442 in words is "twenty-two billion, one million, three hundred three thousand, four hundred forty-two".