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1122240223 = 1386326171
BaseRepresentation
bin100001011100100…
…0000011011011111
32220012200201011201
41002321000123133
54244243141343
6303205300331
736544612246
oct10271003337
92805621151
101122240223
11526525765
12273a046a7
1314b669990
14a908b95d
15687ca94d
hex42e406df

1122240223 has 4 divisors (see below), whose sum is σ = 1208566408. Its totient is φ = 1035914040.

The previous prime is 1122240211. The next prime is 1122240281. The reversal of 1122240223 is 3220422211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220422211 = 23140018357.

It is a cyclic number.

It is not a de Polignac number, because 1122240223 - 225 = 1088685791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122240223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122240323) 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, 43163073 + ... + 43163098.

It is an arithmetic number, because the mean of its divisors is an integer number (302141602).

Almost surely, 21122240223 is an apocalyptic number.

1122240223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122240223 is a deficient number, since it is larger than the sum of its proper divisors (86326185).

1122240223 is an equidigital number, since it uses as much as digits as its factorization.

1122240223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86326184.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1122240223 is about 33499.8540743090. The cubic root of 1122240223 is about 1039.1907607067.

Adding to 1122240223 its reverse (3220422211), we get a palindrome (4342662434).

The spelling of 1122240223 in words is "one billion, one hundred twenty-two million, two hundred forty thousand, two hundred twenty-three".

Divisors: 1 13 86326171 1122240223