22042321432 has 8 divisors (see below), whose sum is σ = 41329352700. Its totient is φ = 11021160712.

The previous prime is 22042321417. The next prime is 22042321447. The reversal of 22042321432 is 23412324022.

It is an interprime number because it is at equal distance from previous prime (22042321417) and next prime (22042321447).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22042321432² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22042321397 and 22042321406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377645082 + ... + 1377645097.

Almost surely, 2^22042321432 is an apocalyptic number.

It is an amenable number.

22042321432 is a deficient number, since it is larger than the sum of its proper divisors (19287031268).

22042321432 is a wasteful number, since it uses less digits than its factorization.

22042321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755290185 (or 2755290181 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22042321432 its reverse (23412324022), we get a palindrome (45454645454).

The spelling of 22042321432 in words is "twenty-two billion, forty-two million, three hundred twenty-one thousand, four hundred thirty-two".