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22203212000 = 255329277691
BaseRepresentation
bin10100101011011010…
…100010000011100000
32010022101021000221012
4110223122202003200
5330433010241000
614111111520052
71414134121334
oct245332420340
963271230835
1022203212000
119464152892
124377989028
13212ac92288
141108b5b7c4
1589e3be735
hex52b6a20e0

22203212000 has 192 divisors, whose sum is σ = 56720139840. Its totient is φ = 8531712000.

The previous prime is 22203211999. The next prime is 22203212011. The reversal of 22203212000 is 21230222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32131655 + ... + 32132345.

It is an arithmetic number, because the mean of its divisors is an integer number (295417395).

Almost surely, 222203212000 is an apocalyptic number.

22203212000 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 22203212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28360069920).

22203212000 is an abundant number, since it is smaller than the sum of its proper divisors (34516927840).

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

22203212000 is a wasteful number, since it uses less digits than its factorization.

22203212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22203212000 its reverse (21230222), we get a palindrome (22224442222).

The spelling of 22203212000 in words is "twenty-two billion, two hundred three million, two hundred twelve thousand".