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1222431433241 = 3276613730781
BaseRepresentation
bin10001110010011110100…
…101110110001000011001
311022212022100101222121012
4101302132211312020121
5130012014421330431
62333324404023305
7154213663511414
oct21623645661031
94285270358535
101222431433241
11431480747977
12178ab9991b35
138b375935725
14432476d2b7b
1521be913b22b
hex11c9e976219

1222431433241 has 4 divisors (see below), whose sum is σ = 1222435491684. Its totient is φ = 1222427374800.

The previous prime is 1222431433229. The next prime is 1222431433259. The reversal of 1222431433241 is 1423341342221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151990819600 + 1070440613641 = 389860^2 + 1034621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222431433241 - 222 = 1222427238937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222431433198 and 1222431433207.

It is not an unprimeable number, because it can be changed into a prime (1222431433211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537730 + ... + 2193051.

It is an arithmetic number, because the mean of its divisors is an integer number (305608872921).

Almost surely, 21222431433241 is an apocalyptic number.

It is an amenable number.

1222431433241 is a deficient number, since it is larger than the sum of its proper divisors (4058443).

1222431433241 is an equidigital number, since it uses as much as digits as its factorization.

1222431433241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058442.

The product of its digits is 27648, while the sum is 32.

Adding to 1222431433241 its reverse (1423341342221), we get a palindrome (2645772775462).

The spelling of 1222431433241 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-one million, four hundred thirty-three thousand, two hundred forty-one".

Divisors: 1 327661 3730781 1222431433241