22223808516 has 96 divisors (see below), whose sum is σ = 64480487680. Its totient is φ = 5800771584.

The previous prime is 22223808463. The next prime is 22223808517. The reversal of 22223808516 is 61580832222.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (22223808517) 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, 1020 + ... + 210828.

Almost surely, 2^22223808516 is an apocalyptic number.

22223808516 is a gapful number since it is divisible by the number (26) 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 22223808516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32240243840).

22223808516 is an abundant number, since it is smaller than the sum of its proper divisors (42256679164).

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

22223808516 is a wasteful number, since it uses less digits than its factorization.

22223808516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209933 (or 209931 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 22223808516 in words is "twenty-two billion, two hundred twenty-three million, eight hundred eight thousand, five hundred sixteen".