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2222202031201 = 7737481384277
BaseRepresentation
bin100000010101100101100…
…100000000110001100001
321212102220002011120122101
4200111211210000301201
5242402032204444301
64420510541410401
7316356144415015
oct40254544006141
97772802146571
102222202031201
117874811286a9
122ba816b69a01
131317255211c9
14797ab4a2545
153cc1068b701
hex20565900c61

2222202031201 has 8 divisors (see below), whose sum is σ = 2225380028904. Its totient is φ = 2219024818560.

The previous prime is 2222202031199. The next prime is 2222202031243. The reversal of 2222202031201 is 1021302022222.

It can be written as a sum of positive squares in 4 ways, for example, as 218275840000 + 2003926191201 = 467200^2 + 1415601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222202031201 - 21 = 2222202031199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222202031601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590675 + ... + 5974951.

It is an arithmetic number, because the mean of its divisors is an integer number (278172503613).

Almost surely, 22222202031201 is an apocalyptic number.

It is an amenable number.

2222202031201 is a deficient number, since it is larger than the sum of its proper divisors (3177997703).

2222202031201 is an equidigital number, since it uses as much as digits as its factorization.

2222202031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392531.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2222202031201 its reverse (1021302022222), we get a palindrome (3243504053423).

The spelling of 2222202031201 in words is "two trillion, two hundred twenty-two billion, two hundred two million, thirty-one thousand, two hundred one".

Divisors: 1 773 7481 384277 5782813 297046121 2874776237 2222202031201