Search a number
-
+
22233221238 = 2338388310957
BaseRepresentation
bin10100101101001101…
…000000100001110110
32010101110201122212110
4110231031000201312
5331013201034423
614114103031450
71414650155664
oct245515004166
963343648773
1022233221238
11947a08a208
124385a3b586
13213426b517
14110cb2dc34
158a1d4b193
hex52d340876

22233221238 has 32 divisors (see below), whose sum is σ = 44637106176. Its totient is φ = 7382678688.

The previous prime is 22233221237. The next prime is 22233221293. The reversal of 22233221238 is 83212233222.

It is a super-2 number, since 2×222332212382 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233221237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023656 + ... + 2034612.

It is an arithmetic number, because the mean of its divisors is an integer number (1394909568).

Almost surely, 222233221238 is an apocalyptic number.

22233221238 is an abundant number, since it is smaller than the sum of its proper divisors (22403884938).

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

22233221238 is a wasteful number, since it uses less digits than its factorization.

22233221238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228.

The product of its digits is 13824, while the sum is 30.

The spelling of 22233221238 in words is "twenty-two billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 383 766 883 1149 1766 2298 2649 5298 10957 21914 32871 65742 338189 676378 1014567 2029134 4196531 8393062 9675031 12589593 19350062 25179186 29025093 58050186 3705536873 7411073746 11116610619 22233221238