22143022505 has 16 divisors (see below), whose sum is σ = 26728233984. Its totient is φ = 17610136320.

The previous prime is 22143022487. The next prime is 22143022537. The reversal of 22143022505 is 50522034122.

It is not a de Polignac number, because 22143022505 - 2¹⁴ = 22143006121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638737 + ... + 1652193.

It is an arithmetic number, because the mean of its divisors is an integer number (1670514624).

Almost surely, 2^22143022505 is an apocalyptic number.

It is an amenable number.

22143022505 is a deficient number, since it is larger than the sum of its proper divisors (4585211479).

22143022505 is a wasteful number, since it uses less digits than its factorization.

22143022505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15376.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22143022505 its reverse (50522034122), we get a palindrome (72665056627).

The spelling of 22143022505 in words is "twenty-two billion, one hundred forty-three million, twenty-two thousand, five hundred five".