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13032221222 = 223911310987
BaseRepresentation
bin11000010001100011…
…11110101000100110
31020122020102102200002
430020301332220212
5203142222034342
65553101421302
7640644024026
oct141061765046
936566372602
1013032221222
115588392769
12263856a832
1312c8c73a07
148b8b55a86
155141b8d32
hex308c7ea26

13032221222 has 16 divisors (see below), whose sum is σ = 20420716032. Its totient is φ = 6225939720.

The previous prime is 13032221203. The next prime is 13032221249. The reversal of 13032221222 is 22212223031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13032221194 and 13032221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113588 + ... + 197399.

It is an arithmetic number, because the mean of its divisors is an integer number (1276294752).

Almost surely, 213032221222 is an apocalyptic number.

13032221222 is a deficient number, since it is larger than the sum of its proper divisors (7388494810).

13032221222 is a wasteful number, since it uses less digits than its factorization.

13032221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311923.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13032221222 its reverse (22212223031), we get a palindrome (35244444253).

The spelling of 13032221222 in words is "thirteen billion, thirty-two million, two hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 23 46 911 1822 20953 41906 310987 621974 7152701 14305402 283309157 566618314 6516110611 13032221222