22747857048 has 256 divisors, whose sum is σ = 73123430400. Its totient is φ = 6418327680.

The previous prime is 22747857047. The next prime is 22747857089. The reversal of 22747857048 is 84075874722.

22747857048 is a `hidden beast` number, since 2 + 27 + 4 + 7 + 8 + 570 + 48 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22747856985 and 22747857003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22747857047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65555611 + ... + 65555957.

It is an arithmetic number, because the mean of its divisors is an integer number (285638400).

Almost surely, 2^22747857048 is an apocalyptic number.

22747857048 is a gapful number since it is divisible by the number (28) 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 22747857048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36561715200).

22747857048 is an abundant number, since it is smaller than the sum of its proper divisors (50375573352).

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

22747857048 is a wasteful number, since it uses less digits than its factorization.

22747857048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 7024640, while the sum is 54.

The spelling of 22747857048 in words is "twenty-two billion, seven hundred forty-seven million, eight hundred fifty-seven thousand, forty-eight".