22345628389 has 8 divisors (see below), whose sum is σ = 25539133568. Its totient is φ = 19152441360.

The previous prime is 22345628387. The next prime is 22345628401. The reversal of 22345628389 is 98382654322.

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

It is a cyclic number.

It is not a de Polignac number, because 22345628389 - 2¹ = 22345628387 is a prime.

It is a super-3 number, since 3×22345628389³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22345628387) 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, 97144 + ... + 232654.

It is an arithmetic number, because the mean of its divisors is an integer number (3192391696).

Almost surely, 2^22345628389 is an apocalyptic number.

It is an amenable number.

22345628389 is a deficient number, since it is larger than the sum of its proper divisors (3193505179).

22345628389 is a wasteful number, since it uses less digits than its factorization.

22345628389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159075.

The product of its digits is 4976640, while the sum is 52.

The spelling of 22345628389 in words is "twenty-two billion, three hundred forty-five million, six hundred twenty-eight thousand, three hundred eighty-nine".