22331434505 has 24 divisors (see below), whose sum is σ = 28894107456. Its totient is φ = 16537081440.

The previous prime is 22331434423. The next prime is 22331434507. The reversal of 22331434505 is 50543413322.

It is not a de Polignac number, because 22331434505 - 2¹² = 22331430409 is a prime.

It is a super-2 number, since 2×22331434505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22331434507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9482 + ... + 211548.

It is an arithmetic number, because the mean of its divisors is an integer number (1203921144).

Almost surely, 2^22331434505 is an apocalyptic number.

It is an amenable number.

22331434505 is a deficient number, since it is larger than the sum of its proper divisors (6562672951).

22331434505 is a wasteful number, since it uses less digits than its factorization.

22331434505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202157 (or 202126 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 22331434505 its reverse (50543413322), we get a palindrome (72874847827).

The spelling of 22331434505 in words is "twenty-two billion, three hundred thirty-one million, four hundred thirty-four thousand, five hundred five".