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1222555183 is a prime number
BaseRepresentation
bin100100011011110…
…1011011000101111
310011012110020102121
41020313223120233
510000433231213
6321151333411
742203355553
oct11067533057
93135406377
101222555183
11578111893
122a1521267
13166390945
14b8521863
15724e388d
hex48deb62f

1222555183 has 2 divisors, whose sum is σ = 1222555184. Its totient is φ = 1222555182.

The previous prime is 1222555181. The next prime is 1222555241. The reversal of 1222555183 is 3815552221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222555183 - 21 = 1222555181 is a prime.

Together with 1222555181, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222555181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611277591 + 611277592.

It is an arithmetic number, because the mean of its divisors is an integer number (611277592).

Almost surely, 21222555183 is an apocalyptic number.

1222555183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222555183 is an equidigital number, since it uses as much as digits as its factorization.

1222555183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 34.

The square root of 1222555183 is about 34965.0565994108. The cubic root of 1222555183 is about 1069.2751905585.

The spelling of 1222555183 in words is "one billion, two hundred twenty-two million, five hundred fifty-five thousand, one hundred eighty-three".