22120433131 has 4 divisors (see below), whose sum is σ = 22124040192. Its totient is φ = 22116826072.

The previous prime is 22120433113. The next prime is 22120433143. The reversal of 22120433131 is 13133402122.

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 22120433131 - 2¹⁹ = 22119908843 is a prime.

It is a super-2 number, since 2×22120433131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120431131) 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, 1794316 + ... + 1806601.

It is an arithmetic number, because the mean of its divisors is an integer number (5531010048).

Almost surely, 2^22120433131 is an apocalyptic number.

22120433131 is a deficient number, since it is larger than the sum of its proper divisors (3607061).

22120433131 is an equidigital number, since it uses as much as digits as its factorization.

22120433131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607060.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22120433131 its reverse (13133402122), we get a palindrome (35253835253).

The spelling of 22120433131 in words is "twenty-two billion, one hundred twenty million, four hundred thirty-three thousand, one hundred thirty-one".