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22231050231 = 3132919656101
BaseRepresentation
bin10100101101000100…
…101110011111110111
32010101022122100210210
4110231010232133313
5331012122101411
614113544320503
71414622544345
oct245504563767
963338570723
1022231050231
119478937095
124385173133
13213398b2c0
14110c726995
158a1a6cca6
hex52d12e7f7

22231050231 has 16 divisors (see below), whose sum is σ = 33022251360. Its totient is φ = 13208899200.

The previous prime is 22231050227. The next prime is 22231050239. The reversal of 22231050231 is 13205013222.

It is not a de Polignac number, because 22231050231 - 22 = 22231050227 is a prime.

It is a super-2 number, since 2×222310502312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22231050198 and 22231050207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231050239) 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, 9826920 + ... + 9829181.

It is an arithmetic number, because the mean of its divisors is an integer number (2063890710).

Almost surely, 222231050231 is an apocalyptic number.

22231050231 is a deficient number, since it is larger than the sum of its proper divisors (10791201129).

22231050231 is a wasteful number, since it uses less digits than its factorization.

22231050231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19656146.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 22231050231 its reverse (13205013222), we get a palindrome (35436063453).

The spelling of 22231050231 in words is "twenty-two billion, two hundred thirty-one million, fifty thousand, two hundred thirty-one".

Divisors: 1 3 13 29 39 87 377 1131 19656101 58968303 255529313 570026929 766587939 1710080787 7410350077 22231050231