22052332331 has 8 divisors (see below), whose sum is σ = 22202058528. Its totient is φ = 21903112000.

The previous prime is 22052332321. The next prime is 22052332339. The reversal of 22052332331 is 13323325022.

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-22052332331 is a prime.

It is a super-2 number, since 2×22052332331² (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 22052332331.

It is not an unprimeable number, because it can be changed into a prime (22052332339) 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, 38780 + ... + 213561.

It is an arithmetic number, because the mean of its divisors is an integer number (2775257316).

Almost surely, 2^22052332331 is an apocalyptic number.

22052332331 is a deficient number, since it is larger than the sum of its proper divisors (149726197).

22052332331 is a wasteful number, since it uses less digits than its factorization.

22052332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252933.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 22052332331 its reverse (13323325022), we get a palindrome (35375657353).

The spelling of 22052332331 in words is "twenty-two billion, fifty-two million, three hundred thirty-two thousand, three hundred thirty-one".