18925927722 has 192 divisors, whose sum is σ = 49359404160. Its totient is φ = 5351463936.

The previous prime is 18925927681. The next prime is 18925927733. The reversal of 18925927722 is 22772952981.

18925927722 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6669688 + ... + 6672524.

It is an arithmetic number, because the mean of its divisors is an integer number (257080230).

Almost surely, 2^18925927722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18925927722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24679702080).

18925927722 is an abundant number, since it is smaller than the sum of its proper divisors (30433476438).

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

18925927722 is a wasteful number, since it uses less digits than its factorization.

18925927722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934 (or 2915 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 18925927722 in words is "eighteen billion, nine hundred twenty-five million, nine hundred twenty-seven thousand, seven hundred twenty-two".