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22100404441 is a prime number
BaseRepresentation
bin10100100101010010…
…010110100011011001
32010001012210212110211
4110211102112203121
5330230200420231
614053000211121
71411445224003
oct244522264331
963035725424
1022100404441
119411113a65
124349469aa1
1321128a78bb
1410d9239373
15895362eb1
hex5254968d9

22100404441 has 2 divisors, whose sum is σ = 22100404442. Its totient is φ = 22100404440.

The previous prime is 22100404433. The next prime is 22100404489. The reversal of 22100404441 is 14440400122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21791664400 + 308740041 = 147620^2 + 17571^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100404441 - 23 = 22100404433 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100404421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050202220 + 11050202221.

It is an arithmetic number, because the mean of its divisors is an integer number (11050202221).

Almost surely, 222100404441 is an apocalyptic number.

It is an amenable number.

22100404441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100404441 is an equidigital number, since it uses as much as digits as its factorization.

22100404441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22100404441 its reverse (14440400122), we get a palindrome (36540804563).

The spelling of 22100404441 in words is "twenty-two billion, one hundred million, four hundred four thousand, four hundred forty-one".