22271577480 has 128 divisors (see below), whose sum is σ = 74355667200. Its totient is φ = 5929721856.

The previous prime is 22271577443. The next prime is 22271577533. The reversal of 22271577480 is 8477517222.

22271577480 is a `hidden beast` number, since 2 + 2 + 2 + 71 + 577 + 4 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 682824 + ... + 714696.

It is an arithmetic number, because the mean of its divisors is an integer number (580903650).

Almost surely, 2^22271577480 is an apocalyptic number.

22271577480 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 22271577480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37177833600).

22271577480 is an abundant number, since it is smaller than the sum of its proper divisors (52084089720).

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

22271577480 is a wasteful number, since it uses less digits than its factorization.

22271577480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32540 (or 32530 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The spelling of 22271577480 in words is "twenty-two billion, two hundred seventy-one million, five hundred seventy-seven thousand, four hundred eighty".