22040310321 has 6 divisors (see below), whose sum is σ = 31836003810. Its totient is φ = 14693540208.

The previous prime is 22040310311. The next prime is 22040310353. The reversal of 22040310321 is 12301304022.

22040310321 is a `hidden beast` number, since 220 + 403 + 10 + 32 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20636759025 + 1403551296 = 143655^2 + 37464^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22040310321 is a prime.

It is a super-3 number, since 3×22040310321³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22040310294 and 22040310303.

It is not an unprimeable number, because it can be changed into a prime (22040310311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224461676 + ... + 1224461693.

It is an arithmetic number, because the mean of its divisors is an integer number (5306000635).

Almost surely, 2^22040310321 is an apocalyptic number.

It is an amenable number.

22040310321 is a deficient number, since it is larger than the sum of its proper divisors (9795693489).

22040310321 is a wasteful number, since it uses less digits than its factorization.

22040310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448923375 (or 2448923372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22040310321 its reverse (12301304022), we get a palindrome (34341614343).

The spelling of 22040310321 in words is "twenty-two billion, forty million, three hundred ten thousand, three hundred twenty-one".