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1422343034221 = 2953481660357
BaseRepresentation
bin10100101100101010010…
…000000101010101101101
312000222022112100112102211
4110230222100011111231
5141300424304043341
63005225415250421
7204521662211344
oct24545220052555
95028275315384
101422343034221
114a923762062a
121ab7ab979a11
13a4184843595
144cbadb62b5b
1526ee994d181
hex14b2a40556d

1422343034221 has 4 divisors (see below), whose sum is σ = 1422824697532. Its totient is φ = 1421861370912.

The previous prime is 1422343034213. The next prime is 1422343034227. The reversal of 1422343034221 is 1224303432241.

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 981805521321 + 440537512900 = 990861^2 + 663730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422343034221 - 23 = 1422343034213 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 (1422343034227) 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, 240827226 + ... + 240833131.

It is an arithmetic number, because the mean of its divisors is an integer number (355706174383).

Almost surely, 21422343034221 is an apocalyptic number.

It is an amenable number.

1422343034221 is a deficient number, since it is larger than the sum of its proper divisors (481663311).

1422343034221 is an equidigital number, since it uses as much as digits as its factorization.

1422343034221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481663310.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1422343034221 its reverse (1224303432241), we get a palindrome (2646646466462).

The spelling of 1422343034221 in words is "one trillion, four hundred twenty-two billion, three hundred forty-three million, thirty-four thousand, two hundred twenty-one".

Divisors: 1 2953 481660357 1422343034221