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1222228343 = 7360748407
BaseRepresentation
bin100100011011001…
…1011100101110111
310011011211122002102
41020312123211313
510000342301333
6321140332315
742200524640
oct11066334567
93134748072
101222228343
11577a09276
122a13a409b
131662a7c4b
14b84786c7
157247bae8
hex48d9b977

1222228343 has 8 divisors (see below), whose sum is σ = 1397248512. Its totient is φ = 1047312216.

The previous prime is 1222228331. The next prime is 1222228361. The reversal of 1222228343 is 3438222221.

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 1222228343 - 210 = 1222227319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222228543) 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, 1046 + ... + 49452.

It is an arithmetic number, because the mean of its divisors is an integer number (174656064).

Almost surely, 21222228343 is an apocalyptic number.

1222228343 is a deficient number, since it is larger than the sum of its proper divisors (175020169).

1222228343 is an equidigital number, since it uses as much as digits as its factorization.

1222228343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52021.

The product of its digits is 9216, while the sum is 29.

The square root of 1222228343 is about 34960.3824778849. The cubic root of 1222228343 is about 1069.1798947779.

The spelling of 1222228343 in words is "one billion, two hundred twenty-two million, two hundred twenty-eight thousand, three hundred forty-three".

Divisors: 1 7 3607 25249 48407 338849 174604049 1222228343