22332313331 has 4 divisors (see below), whose sum is σ = 22342894464. Its totient is φ = 22321732200.

The previous prime is 22332313327. The next prime is 22332313361. The reversal of 22332313331 is 13331323322.

It is a happy number.

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 22332313331 - 2² = 22332313327 is a prime.

It is a super-2 number, since 2×22332313331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22332313331.

It is not an unprimeable number, because it can be changed into a prime (22332313361) 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, 5287400 + ... + 5291621.

It is an arithmetic number, because the mean of its divisors is an integer number (5585723616).

Almost surely, 2^22332313331 is an apocalyptic number.

22332313331 is a deficient number, since it is larger than the sum of its proper divisors (10581133).

22332313331 is a wasteful number, since it uses less digits than its factorization.

22332313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581132.

The product of its digits is 5832, while the sum is 26.

Adding to 22332313331 its reverse (13331323322), we get a palindrome (35663636653).

Subtracting from 22332313331 its reverse (13331323322), we obtain a palindrome (9000990009).

The spelling of 22332313331 in words is "twenty-two billion, three hundred thirty-two million, three hundred thirteen thousand, three hundred thirty-one".