22026431965 has 16 divisors (see below), whose sum is σ = 27756620928. Its totient is φ = 16747638336.

The previous prime is 22026431941. The next prime is 22026431971. The reversal of 22026431965 is 56913462022.

It is a cyclic number.

It is not a de Polignac number, because 22026431965 - 2¹¹ = 22026429917 is a prime.

It is a super-2 number, since 2×22026431965² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 591927 + ... + 628036.

It is an arithmetic number, because the mean of its divisors is an integer number (1734788808).

Almost surely, 2^22026431965 is an apocalyptic number.

It is an amenable number.

22026431965 is a deficient number, since it is larger than the sum of its proper divisors (5730188963).

22026431965 is a wasteful number, since it uses less digits than its factorization.

22026431965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220148.

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 22026431965 its reverse (56913462022), we get a palindrome (78939893987).

The spelling of 22026431965 in words is "twenty-two billion, twenty-six million, four hundred thirty-one thousand, nine hundred sixty-five".