22032144432431 has 16 divisors (see below), whose sum is σ = 25834241224704. Its totient is φ = 18396064389024.

The previous prime is 22032144432379. The next prime is 22032144432457. The reversal of 22032144432431 is 13423444123022.

It is a happy number.

It is not a de Polignac number, because 22032144432431 - 2⁴² = 17634097921327 is a prime.

It is a super-2 number, since 2×22032144432431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22032144432391 and 22032144432400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032144432481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98006351 + ... + 98230896.

It is an arithmetic number, because the mean of its divisors is an integer number (1614640076544).

Almost surely, 2^{22032144432431} is an apocalyptic number.

22032144432431 is a deficient number, since it is larger than the sum of its proper divisors (3802096792273).

22032144432431 is a wasteful number, since it uses less digits than its factorization.

22032144432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196237670.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 22032144432431 its reverse (13423444123022), we get a palindrome (35455588555453).

The spelling of 22032144432431 in words is "twenty-two trillion, thirty-two billion, one hundred forty-four million, four hundred thirty-two thousand, four hundred thirty-one".