22303220331 has 8 divisors (see below), whose sum is σ = 33985859584. Its totient is φ = 12744697320.

The previous prime is 22303220299. The next prime is 22303220333. The reversal of 22303220331 is 13302230322.

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

It is not a de Polignac number, because 22303220331 - 2⁵ = 22303220299 is a prime.

It is a super-2 number, since 2×22303220331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1062058111 = 22303220331 / (2 + 2 + 3 + 0 + 3 + 2 + 2 + 0 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22303220298 and 22303220307.

It is not an unprimeable number, because it can be changed into a prime (22303220333) 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, 531029035 + ... + 531029076.

It is an arithmetic number, because the mean of its divisors is an integer number (4248232448).

Almost surely, 2^22303220331 is an apocalyptic number.

22303220331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22303220331 is a deficient number, since it is larger than the sum of its proper divisors (11682639253).

22303220331 is a wasteful number, since it uses less digits than its factorization.

22303220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062058121.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22303220331 its reverse (13302230322), we get a palindrome (35605450653).

Subtracting from 22303220331 its reverse (13302230322), we obtain a palindrome (9000990009).

The spelling of 22303220331 in words is "twenty-two billion, three hundred three million, two hundred twenty thousand, three hundred thirty-one".