22404403311131 has 4 divisors (see below), whose sum is σ = 22613790258072. Its totient is φ = 22195016364192.

The previous prime is 22404403311107. The next prime is 22404403311133. The reversal of 22404403311131 is 13111330440422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22404403311131 is a prime.

It is a super-2 number, since 2×22404403311131² (a number of 28 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 = 22404403311094 and 22404403311103.

It is not an unprimeable number, because it can be changed into a prime (22404403311133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104693473310 + ... + 104693473523.

It is an arithmetic number, because the mean of its divisors is an integer number (5653447564518).

Almost surely, 2^{22404403311131} is an apocalyptic number.

22404403311131 is a deficient number, since it is larger than the sum of its proper divisors (209386946941).

22404403311131 is a wasteful number, since it uses less digits than its factorization.

22404403311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209386946940.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 22404403311131 its reverse (13111330440422), we get a palindrome (35515733751553).

The spelling of 22404403311131 in words is "twenty-two trillion, four hundred four billion, four hundred three million, three hundred eleven thousand, one hundred thirty-one".