22780884480 has 160 divisors (see below), whose sum is σ = 76661164800. Its totient is φ = 5755133952.

The previous prime is 22780884479. The next prime is 22780884491. The reversal of 22780884480 is 8448808722.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×22780884480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67861 + ... + 223979.

It is an arithmetic number, because the mean of its divisors is an integer number (479132280).

Almost surely, 2^22780884480 is an apocalyptic number.

22780884480 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 22780884480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38330582400).

22780884480 is an abundant number, since it is smaller than the sum of its proper divisors (53880280320).

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

22780884480 is a wasteful number, since it uses less digits than its factorization.

22780884480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156164 (or 156148 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 51.

The spelling of 22780884480 in words is "twenty-two billion, seven hundred eighty million, eight hundred eighty-four thousand, four hundred eighty".