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1422205141 = 7203172163
BaseRepresentation
bin101010011000101…
…0010000011010101
310200010010111200111
41110301102003111
510403041031031
6353042443021
750146354450
oct12461220325
93603114614
101422205141
1166a885855
12338363471
13198854806
14d6c52497
1584cce1b1
hex54c520d5

1422205141 has 4 divisors (see below), whose sum is σ = 1625377312. Its totient is φ = 1219032972.

The previous prime is 1422205129. The next prime is 1422205201. The reversal of 1422205141 is 1415022241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1422205141 - 223 = 1413816533 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 (1422205121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101586075 + ... + 101586088.

It is an arithmetic number, because the mean of its divisors is an integer number (406344328).

Almost surely, 21422205141 is an apocalyptic number.

It is an amenable number.

1422205141 is a deficient number, since it is larger than the sum of its proper divisors (203172171).

1422205141 is an equidigital number, since it uses as much as digits as its factorization.

1422205141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203172170.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1422205141 is about 37712.1351954513. The cubic root of 1422205141 is about 1124.5723849070.

Adding to 1422205141 its reverse (1415022241), we get a palindrome (2837227382).

The spelling of 1422205141 in words is "one billion, four hundred twenty-two million, two hundred five thousand, one hundred forty-one".

Divisors: 1 7 203172163 1422205141