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1123230222 = 232173670687
BaseRepresentation
bin100001011110011…
…0010001000001110
32220021120000012100
41002330302020032
54300021331342
6303242415530
736556204452
oct10274621016
92807500170
101123230222
11527041544
122742015a6
1314b92548a
14a9268662
1568923e4c
hex42f3220e

1123230222 has 24 divisors (see below), whose sum is σ = 2576822976. Its totient is φ = 352385856.

The previous prime is 1123230211. The next prime is 1123230247. The reversal of 1123230222 is 2220323211.

It is a super-2 number, since 2×11232302222 = 2523292263228338568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1123230195 and 1123230204.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1835038 + ... + 1835649.

It is an arithmetic number, because the mean of its divisors is an integer number (107367624).

Almost surely, 21123230222 is an apocalyptic number.

1123230222 is an abundant number, since it is smaller than the sum of its proper divisors (1453592754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123230222 is a wasteful number, since it uses less digits than its factorization.

1123230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670712 (or 3670709 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1123230222 is about 33514.6269858401. The cubic root of 1123230222 is about 1039.4962495015.

Adding to 1123230222 its reverse (2220323211), we get a palindrome (3343553433).

The spelling of 1123230222 in words is "one billion, one hundred twenty-three million, two hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 3670687 7341374 11012061 22024122 33036183 62401679 66072366 124803358 187205037 374410074 561615111 1123230222