22321130432 has 14 divisors (see below), whose sum is σ = 44293493328. Its totient is φ = 11160565184.

The previous prime is 22321130401. The next prime is 22321130453. The reversal of 22321130432 is 23403112322.

It is a super-3 number, since 3×22321130432³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22321130398 and 22321130407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174383768 + ... + 174383895.

It is an arithmetic number, because the mean of its divisors is an integer number (3163820952).

Almost surely, 2^22321130432 is an apocalyptic number.

It is an amenable number.

22321130432 is a deficient number, since it is larger than the sum of its proper divisors (21972362896).

22321130432 is an equidigital number, since it uses as much as digits as its factorization.

22321130432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348767675 (or 348767665 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22321130432 its reverse (23403112322), we get a palindrome (45724242754).

The spelling of 22321130432 in words is "twenty-two billion, three hundred twenty-one million, one hundred thirty thousand, four hundred thirty-two".