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1222322130223 = 9312371312579
BaseRepresentation
bin10001110010011000000…
…100111000110100101111
311022212000201201211001021
4101302120010320310233
5130011303431131343
62333305501155011
7154211165451625
oct21623004706457
94285021654037
101222322130223
11431424a819a7
12178a8925ba67
138b3590b569c
1443236d9d515
1521bde74a0ed
hex11c98138d2f

1222322130223 has 4 divisors (see below), whose sum is σ = 1222324374040. Its totient is φ = 1222319886408.

The previous prime is 1222322130181. The next prime is 1222322130257. The reversal of 1222322130223 is 3220312232221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222322130223 - 221 = 1222320033071 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 (1222322130023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274948 + ... + 1587526.

It is an arithmetic number, because the mean of its divisors is an integer number (305581093510).

Almost surely, 21222322130223 is an apocalyptic number.

1222322130223 is a deficient number, since it is larger than the sum of its proper divisors (2243817).

1222322130223 is an equidigital number, since it uses as much as digits as its factorization.

1222322130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243816.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1222322130223 its reverse (3220312232221), we get a palindrome (4442634362444).

The spelling of 1222322130223 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-two million, one hundred thirty thousand, two hundred twenty-three".

Divisors: 1 931237 1312579 1222322130223