22471015887960 has 128 divisors (see below), whose sum is σ = 68046932148480. Its totient is φ = 5935931970048.

The previous prime is 22471015887863. The next prime is 22471015887961. The reversal of 22471015887960 is 6978851017422.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 22471015887894 and 22471015887903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22471015887961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294806814 + ... + 294883026.

It is an arithmetic number, because the mean of its divisors is an integer number (531616657410).

Almost surely, 2^{22471015887960} is an apocalyptic number.

22471015887960 is a gapful number since it is divisible by the number (20) 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 22471015887960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34023466074240).

22471015887960 is an abundant number, since it is smaller than the sum of its proper divisors (45575916260520).

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

22471015887960 is a wasteful number, since it uses less digits than its factorization.

22471015887960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99297 (or 99293 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 22471015887960 in words is "twenty-two trillion, four hundred seventy-one billion, fifteen million, eight hundred eighty-seven thousand, nine hundred sixty".