22985858819 has 8 divisors (see below), whose sum is σ = 28657694208. Its totient is φ = 17911058760.

The previous prime is 22985858813. The next prime is 22985858821. The reversal of 22985858819 is 91885858922.

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

It is a de Polignac number, because none of the positive numbers 2^k-22985858819 is a prime.

It is a super-2 number, since 2×22985858819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22985858813) 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, 149258747 + ... + 149258900.

It is an arithmetic number, because the mean of its divisors is an integer number (3582211776).

Almost surely, 2^22985858819 is an apocalyptic number.

22985858819 is a deficient number, since it is larger than the sum of its proper divisors (5671835389).

22985858819 is a wasteful number, since it uses less digits than its factorization.

22985858819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298517665.

The product of its digits is 33177600, while the sum is 65.

The spelling of 22985858819 in words is "twenty-two billion, nine hundred eighty-five million, eight hundred fifty-eight thousand, eight hundred nineteen".