22073557220 has 192 divisors, whose sum is σ = 56032542720. Its totient is φ = 7197120000.

The previous prime is 22073557193. The next prime is 22073557229. The reversal of 22073557220 is 2275537022.

It is a super-2 number, since 2×22073557220² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22073557229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29391845 + ... + 29392595.

It is an arithmetic number, because the mean of its divisors is an integer number (291836160).

Almost surely, 2^22073557220 is an apocalyptic number.

22073557220 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 22073557220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28016271360).

22073557220 is an abundant number, since it is smaller than the sum of its proper divisors (33958985500).

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

22073557220 is a wasteful number, since it uses less digits than its factorization.

22073557220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The spelling of 22073557220 in words is "twenty-two billion, seventy-three million, five hundred fifty-seven thousand, two hundred twenty".