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2204546381 is a prime number
BaseRepresentation
bin1000001101100110…
…1011010101001101
312200122020120002222
42003121223111031
514003330441011
61002431025125
7105426222632
oct20331532515
95618216088
102204546381
11a31455364
1251636b1a5
13291963b1b
1416cb02189
15cd818ddb
hex8366b54d

2204546381 has 2 divisors, whose sum is σ = 2204546382. Its totient is φ = 2204546380.

The previous prime is 2204546341. The next prime is 2204546423. The reversal of 2204546381 is 1836454022.

2204546381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2033198281 + 171348100 = 45091^2 + 13090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204546381 - 226 = 2137437517 is a prime.

It is a super-2 number, since 2×22045463812 = 9720049491960394322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204546341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102273190 + 1102273191.

It is an arithmetic number, because the mean of its divisors is an integer number (1102273191).

Almost surely, 22204546381 is an apocalyptic number.

It is an amenable number.

2204546381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204546381 is an equidigital number, since it uses as much as digits as its factorization.

2204546381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2204546381 is about 46952.5971699117. The cubic root of 2204546381 is about 1301.4867371210.

The spelling of 2204546381 in words is "two billion, two hundred four million, five hundred forty-six thousand, three hundred eighty-one".