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22230312222 = 23231031563973
BaseRepresentation
bin10100101101000001…
…111010010100011110
32010101021020212110010
4110231001322110132
5331011424442342
614113520424050
71414613351616
oct245501722436
963337225403
1022230312222
119478482668
124384a78026
132133790401
14110c5b3a46
158a197429c
hex52d07a51e

22230312222 has 32 divisors (see below), whose sum is σ = 46844149248. Its totient is φ = 7019106336.

The previous prime is 22230312187. The next prime is 22230312233. The reversal of 22230312222 is 22221303222.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 767773 + ... + 796200.

It is an arithmetic number, because the mean of its divisors is an integer number (1463879664).

Almost surely, 222230312222 is an apocalyptic number.

22230312222 is an abundant number, since it is smaller than the sum of its proper divisors (24613837026).

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

22230312222 is a wasteful number, since it uses less digits than its factorization.

22230312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564104.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22230312222 its reverse (22221303222), we get a palindrome (44451615444).

The spelling of 22230312222 in words is "twenty-two billion, two hundred thirty million, three hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 103 138 206 309 618 2369 4738 7107 14214 1563973 3127946 4691919 9383838 35971379 71942758 107914137 161089219 215828274 322178438 483267657 966535314 3705052037 7410104074 11115156111 22230312222