22240310331 has 8 divisors (see below), whose sum is σ = 31214470720. Its totient is φ = 14046511752.

The previous prime is 22240310263. The next prime is 22240310347. The reversal of 22240310331 is 13301304222.

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

It is not a de Polignac number, because 22240310331 - 2²⁵ = 22206755899 is a prime.

It is a super-2 number, since 2×22240310331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22240310298 and 22240310307.

It is not an unprimeable number, because it can be changed into a prime (22240350331) 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, 195090385 + ... + 195090498.

It is an arithmetic number, because the mean of its divisors is an integer number (3901808840).

Almost surely, 2^22240310331 is an apocalyptic number.

22240310331 is a deficient number, since it is larger than the sum of its proper divisors (8974160389).

22240310331 is a wasteful number, since it uses less digits than its factorization.

22240310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390180905.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22240310331 its reverse (13301304222), we get a palindrome (35541614553).

The spelling of 22240310331 in words is "twenty-two billion, two hundred forty million, three hundred ten thousand, three hundred thirty-one".