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11222303221 = 23677282481
BaseRepresentation
bin10100111001110011…
…01100000111110101
31001222002202001221001
422130321230013311
5140440402200341
65053324523301
7545046001123
oct123471540765
931862661831
1011222303221
114839774568
1222123b0531
13109acc050c
1478661a913
1545a351d31
hex29ce6c1f5

11222303221 has 8 divisors (see below), whose sum is σ = 11885010624. Its totient is φ = 10574160960.

The previous prime is 11222303219. The next prime is 11222303237. The reversal of 11222303221 is 12230322211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11222303221 - 21 = 11222303219 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 (11222303201) 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 7 ways as a sum of consecutive naturals, for example, 3639700 + ... + 3642781.

It is an arithmetic number, because the mean of its divisors is an integer number (1485626328).

Almost surely, 211222303221 is an apocalyptic number.

It is an amenable number.

11222303221 is a deficient number, since it is larger than the sum of its proper divisors (662707403).

11222303221 is an equidigital number, since it uses as much as digits as its factorization.

11222303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282571.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11222303221 its reverse (12230322211), we get a palindrome (23452625432).

The spelling of 11222303221 in words is "eleven billion, two hundred twenty-two million, three hundred three thousand, two hundred twenty-one".

Divisors: 1 23 67 1541 7282481 167497063 487926227 11222303221