22330320431 has 8 divisors (see below), whose sum is σ = 23314359264. Its totient is φ = 21347377920.

The previous prime is 22330320379. The next prime is 22330320449. The reversal of 22330320431 is 13402303322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22330320431 is a prime.

It is a super-2 number, since 2×22330320431² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22330320397 and 22330320406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22330320731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232310 + ... + 314051.

It is an arithmetic number, because the mean of its divisors is an integer number (2914294908).

Almost surely, 2^22330320431 is an apocalyptic number.

22330320431 is a deficient number, since it is larger than the sum of its proper divisors (984038833).

22330320431 is a wasteful number, since it uses less digits than its factorization.

22330320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548161.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22330320431 its reverse (13402303322), we get a palindrome (35732623753).

The spelling of 22330320431 in words is "twenty-two billion, three hundred thirty million, three hundred twenty thousand, four hundred thirty-one".