22991947704 has 192 divisors, whose sum is σ = 73872246240. Its totient is φ = 6380052480.

The previous prime is 22991947703. The next prime is 22991947757. The reversal of 22991947704 is 40774919922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22991947703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 475092 + ... + 521244.

Almost surely, 2^22991947704 is an apocalyptic number.

22991947704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22991947704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36936123120).

22991947704 is an abundant number, since it is smaller than the sum of its proper divisors (50880298536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22991947704 is a wasteful number, since it uses less digits than its factorization.

22991947704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46230 (or 46223 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 22991947704 in words is "twenty-two billion, nine hundred ninety-one million, nine hundred forty-seven thousand, seven hundred four".