22404431330431 has 4 divisors (see below), whose sum is σ = 22443806430000. Its totient is φ = 22365056230864.

The previous prime is 22404431330339. The next prime is 22404431330471. The reversal of 22404431330431 is 13403313440422.

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 22404431330431 - 2¹⁵ = 22404431297663 is a prime.

It is a super-2 number, since 2×22404431330431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404431330471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19687548931 + ... + 19687550068.

It is an arithmetic number, because the mean of its divisors is an integer number (5610951607500).

Almost surely, 2^{22404431330431} is an apocalyptic number.

22404431330431 is a deficient number, since it is larger than the sum of its proper divisors (39375099569).

22404431330431 is an equidigital number, since it uses as much as digits as its factorization.

22404431330431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39375099568.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 22404431330431 its reverse (13403313440422), we get a palindrome (35807744770853).

The spelling of 22404431330431 in words is "twenty-two trillion, four hundred four billion, four hundred thirty-one million, three hundred thirty thousand, four hundred thirty-one".