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2221202212202 = 21474175340961
BaseRepresentation
bin100000010100101001111…
…110000000010101101010
321212100022101211111211002
4200110221332000111222
5242343010231242302
64420223424035002
7316322314166561
oct40245176002552
97770271744732
102221202212202
11787008818906
122ba598162a62
131315c634852c
14797147a0bd8
153cba29e3c02
hex20529f8056a

2221202212202 has 8 divisors (see below), whose sum is σ = 3332029385412. Its totient is φ = 1110525750400.

The previous prime is 2221202212189. The next prime is 2221202212247. The reversal of 2221202212202 is 2022122021222.

It can be written as a sum of positive squares in 2 ways, for example, as 2204723098561 + 16479113641 = 1484831^2 + 128371^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37640999 + ... + 37699962.

Almost surely, 22221202212202 is an apocalyptic number.

2221202212202 is a deficient number, since it is larger than the sum of its proper divisors (1110827173210).

2221202212202 is a wasteful number, since it uses less digits than its factorization.

2221202212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75355704.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2221202212202 its reverse (2022122021222), we get a palindrome (4243324233424).

The spelling of 2221202212202 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 14741 29482 75340961 150681922 1110601106101 2221202212202