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1222133411 = 4632639597
BaseRepresentation
bin100100011011000…
…0100011010100011
310011011122210212102
41020312010122203
510000331232121
6321134321015
742166651112
oct11066043243
93134583772
101222133411
11577953a14
122a135916b
13166273985
14b8451c79
157245d90b
hex48d846a3

1222133411 has 4 divisors (see below), whose sum is σ = 1224773472. Its totient is φ = 1219493352.

The previous prime is 1222133377. The next prime is 1222133459. The reversal of 1222133411 is 1143312221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1143312221 = 2349709227.

It is a cyclic number.

It is not a de Polignac number, because 1222133411 - 214 = 1222117027 is a prime.

It is a super-2 number, since 2×12221334112 = 2987220148564989842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222133461) 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, 1319336 + ... + 1320261.

It is an arithmetic number, because the mean of its divisors is an integer number (306193368).

Almost surely, 21222133411 is an apocalyptic number.

1222133411 is a deficient number, since it is larger than the sum of its proper divisors (2640061).

1222133411 is an equidigital number, since it uses as much as digits as its factorization.

1222133411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640060.

The product of its digits is 288, while the sum is 20.

The square root of 1222133411 is about 34959.0247432619. The cubic root of 1222133411 is about 1069.1522125491.

Adding to 1222133411 its reverse (1143312221), we get a palindrome (2365445632).

The spelling of 1222133411 in words is "one billion, two hundred twenty-two million, one hundred thirty-three thousand, four hundred eleven".

Divisors: 1 463 2639597 1222133411