22984729993 has 6 divisors (see below), whose sum is σ = 23750091402. Its totient is φ = 22243286160.

The previous prime is 22984729991. The next prime is 22984730051. The reversal of 22984729993 is 39992748922.

It can be written as a sum of positive squares in only one way, i.e., 22113771849 + 870958144 = 148707^2 + 29512^2 .

It is not a de Polignac number, because 22984729993 - 2¹ = 22984729991 is a prime.

It is a super-2 number, since 2×22984729993² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22984729991) 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, 11957796 + ... + 11959717.

It is an arithmetic number, because the mean of its divisors is an integer number (3958348567).

Almost surely, 2^22984729993 is an apocalyptic number.

It is an amenable number.

22984729993 is a deficient number, since it is larger than the sum of its proper divisors (765361409).

22984729993 is an equidigital number, since it uses as much as digits as its factorization.

22984729993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23917575 (or 23917544 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 64.

The spelling of 22984729993 in words is "twenty-two billion, nine hundred eighty-four million, seven hundred twenty-nine thousand, nine hundred ninety-three".