22434340221131 has 4 divisors (see below), whose sum is σ = 22440295717392. Its totient is φ = 22428384724872.

The previous prime is 22434340221121. The next prime is 22434340221149. The reversal of 22434340221131 is 13112204343422.

It is a happy number.

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 22434340221131 - 2⁶ = 22434340221067 is a prime.

It is a super-2 number, since 2×22434340221131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22434340221121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977742480 + ... + 2977750013.

It is an arithmetic number, because the mean of its divisors is an integer number (5610073929348).

Almost surely, 2^{22434340221131} is an apocalyptic number.

22434340221131 is a deficient number, since it is larger than the sum of its proper divisors (5955496261).

22434340221131 is an equidigital number, since it uses as much as digits as its factorization.

22434340221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955496260.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 22434340221131 its reverse (13112204343422), we get a palindrome (35546544564553).

The spelling of 22434340221131 in words is "twenty-two trillion, four hundred thirty-four billion, three hundred forty million, two hundred twenty-one thousand, one hundred thirty-one".