22142403505 has 8 divisors (see below), whose sum is σ = 26585648424. Its totient is φ = 17704080000.

The previous prime is 22142403487. The next prime is 22142403533. The reversal of 22142403505 is 50530424122.

It can be written as a sum of positive squares in 4 ways, for example, as 547513201 + 21594890304 = 23399^2 + 146952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22142403505 - 2⁷ = 22142403377 is a prime.

It is a super-3 number, since 3×22142403505³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

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, 1220446 + ... + 1238455.

It is an arithmetic number, because the mean of its divisors is an integer number (3323206053).

Almost surely, 2^22142403505 is an apocalyptic number.

It is an amenable number.

22142403505 is a deficient number, since it is larger than the sum of its proper divisors (4443244919).

22142403505 is a wasteful number, since it uses less digits than its factorization.

22142403505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460707.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22142403505 its reverse (50530424122), we get a palindrome (72672827627).

The spelling of 22142403505 in words is "twenty-two billion, one hundred forty-two million, four hundred three thousand, five hundred five".