404222131225331 has 4 divisors (see below), whose sum is σ = 404260875808872. Its totient is φ = 404183386641792.

The previous prime is 404222131225301. The next prime is 404222131225333. The reversal of 404222131225331 is 133522131222404.

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-404222131225331 is a prime.

It is a super-2 number, since 2×404222131225331² (a number of 30 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 = 404222131225291 and 404222131225300.

It is not an unprimeable number, because it can be changed into a prime (404222131225333) 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, 19372276121 + ... + 19372296986.

It is an arithmetic number, because the mean of its divisors is an integer number (101065218952218).

Almost surely, 2^{404222131225331} is an apocalyptic number.

404222131225331 is a deficient number, since it is larger than the sum of its proper divisors (38744583541).

404222131225331 is a wasteful number, since it uses less digits than its factorization.

404222131225331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38744583540.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 404222131225331 its reverse (133522131222404), we get a palindrome (537744262447735).

The spelling of 404222131225331 in words is "four hundred four trillion, two hundred twenty-two billion, one hundred thirty-one million, two hundred twenty-five thousand, three hundred thirty-one".