22749724817 has 8 divisors (see below), whose sum is σ = 23368111872. Its totient is φ = 22134362400.

The previous prime is 22749724793. The next prime is 22749724861. The reversal of 22749724817 is 71842794722.

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 22749724817 - 2¹⁰ = 22749723793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22749720817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740909 + ... + 771002.

It is an arithmetic number, because the mean of its divisors is an integer number (2921013984).

Almost surely, 2^22749724817 is an apocalyptic number.

It is an amenable number.

22749724817 is a deficient number, since it is larger than the sum of its proper divisors (618387055).

22749724817 is a wasteful number, since it uses less digits than its factorization.

22749724817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512319.

The product of its digits is 3161088, while the sum is 53.

The spelling of 22749724817 in words is "twenty-two billion, seven hundred forty-nine million, seven hundred twenty-four thousand, eight hundred seventeen".