32224221620431 has 4 divisors (see below), whose sum is σ = 32224253760864. Its totient is φ = 32224189480000.

The previous prime is 32224221620417. The next prime is 32224221620447. The reversal of 32224221620431 is 13402612242223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32224221620431 - 2²⁵ = 32224188065999 is a prime.

It is a super-2 number, since 2×32224221620431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32224221620831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14516215 + ... + 16588216.

It is an arithmetic number, because the mean of its divisors is an integer number (8056063440216).

Almost surely, 2^{32224221620431} is an apocalyptic number.

32224221620431 is a deficient number, since it is larger than the sum of its proper divisors (32140433).

32224221620431 is a wasteful number, since it uses less digits than its factorization.

32224221620431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32140432.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 32224221620431 its reverse (13402612242223), we get a palindrome (45626833862654).

The spelling of 32224221620431 in words is "thirty-two trillion, two hundred twenty-four billion, two hundred twenty-one million, six hundred twenty thousand, four hundred thirty-one".