22016432321431 has 4 divisors (see below), whose sum is σ = 22222193371272. Its totient is φ = 21810671271592.

The previous prime is 22016432321423. The next prime is 22016432321449. The reversal of 22016432321431 is 13412323461022.

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 22016432321431 - 2³ = 22016432321423 is a prime.

It is a super-2 number, since 2×22016432321431² (a number of 27 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 (22016432328431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102880524760 + ... + 102880524973.

It is an arithmetic number, because the mean of its divisors is an integer number (5555548342818).

Almost surely, 2^{22016432321431} is an apocalyptic number.

22016432321431 is a deficient number, since it is larger than the sum of its proper divisors (205761049841).

22016432321431 is a wasteful number, since it uses less digits than its factorization.

22016432321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205761049840.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 22016432321431 its reverse (13412323461022), we get a palindrome (35428755782453).

The spelling of 22016432321431 in words is "twenty-two trillion, sixteen billion, four hundred thirty-two million, three hundred twenty-one thousand, four hundred thirty-one".