22432155505 has 16 divisors (see below), whose sum is σ = 27687369600. Its totient is φ = 17437529088.

The previous prime is 22432155443. The next prime is 22432155511. The reversal of 22432155505 is 50555123422.

It is a cyclic number.

It is not a de Polignac number, because 22432155505 - 2³¹ = 20284671857 is a prime.

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, 228805 + ... + 311794.

It is an arithmetic number, because the mean of its divisors is an integer number (1730460600).

Almost surely, 2^22432155505 is an apocalyptic number.

It is an amenable number.

22432155505 is a deficient number, since it is larger than the sum of its proper divisors (5255214095).

22432155505 is a wasteful number, since it uses less digits than its factorization.

22432155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540840.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 22432155505 its reverse (50555123422), we get a palindrome (72987278927).

The spelling of 22432155505 in words is "twenty-two billion, four hundred thirty-two million, one hundred fifty-five thousand, five hundred five".