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2222200020000 = 25354374192389
BaseRepresentation
bin100000010101100101011…
…100010101110000100000
321212102212221101101210110
4200111211130111300200
5242402031201120000
64420510430331320
7316356121340322
oct40254534256040
97772787341713
102222200020000
1178747aa84654
122ba816359b40
13131724c9894c
14797ab0db612
153cc103e0850
hex20565715c20

2222200020000 has 480 divisors, whose sum is σ = 7507275652800. Its totient is φ = 574953984000.

The previous prime is 2222200019971. The next prime is 2222200020041. The reversal of 2222200020000 is 200022222.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 930178806 + ... + 930181194.

It is an arithmetic number, because the mean of its divisors is an integer number (15640157610).

Almost surely, 22222200020000 is an apocalyptic number.

2222200020000 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 2222200020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3753637826400).

2222200020000 is an abundant number, since it is smaller than the sum of its proper divisors (5285075632800).

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

2222200020000 is a wasteful number, since it uses less digits than its factorization.

2222200020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 2222200020000 its reverse (200022222), we get a palindrome (2222400042222).

The spelling of 2222200020000 in words is "two trillion, two hundred twenty-two billion, two hundred million, twenty thousand".