22749797997 has 16 divisors (see below), whose sum is σ = 34865592000. Its totient is φ = 14643547632.

The previous prime is 22749797971. The next prime is 22749798041. The reversal of 22749797997 is 79979794722.

It is not a de Polignac number, because 22749797997 - 2⁷ = 22749797869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22749797597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14526547 + ... + 14528112.

It is an arithmetic number, because the mean of its divisors is an integer number (2179099500).

Almost surely, 2^22749797997 is an apocalyptic number.

22749797997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22749797997 is a deficient number, since it is larger than the sum of its proper divisors (12115794003).

22749797997 is a wasteful number, since it uses less digits than its factorization.

22749797997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29054697 (or 29054691 counting only the distinct ones).

The product of its digits is 252047376, while the sum is 72.

The spelling of 22749797997 in words is "twenty-two billion, seven hundred forty-nine million, seven hundred ninety-seven thousand, nine hundred ninety-seven".