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223240022 = 21728323201
BaseRepresentation
bin11010100111001…
…01111101010110
3120120001202201222
431103211331112
5424122140042
634052450342
75350336355
oct1523457526
9516052658
10223240022
11105016595
12629199b2
13373333b5
142191199c
15148ea2d2
hexd4e5f56

223240022 has 16 divisors (see below), whose sum is σ = 355825872. Its totient is φ = 104678400.

The previous prime is 223240019. The next prime is 223240033. The reversal of 223240022 is 220042322.

It is a super-3 number, since 3×2232400223 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 21222.

It is an arithmetic number, because the mean of its divisors is an integer number (22239117).

Almost surely, 2223240022 is an apocalyptic number.

223240022 is a deficient number, since it is larger than the sum of its proper divisors (132585850).

223240022 is a wasteful number, since it uses less digits than its factorization.

223240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23503.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 223240022 is about 14941.2188927142. The cubic root of 223240022 is about 606.6301885378.

Adding to 223240022 its reverse (220042322), we get a palindrome (443282344).

The spelling of 223240022 in words is "two hundred twenty-three million, two hundred forty thousand, twenty-two".