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40222011231 = 3223476736143
BaseRepresentation
bin100101011101011010…
…110010111101011111
310211211010210212122200
4211131122302331133
51124333313324411
630251105142543
72622511311603
oct453532627537
9124733725580
1040222011231
11160703053a6
12796632aa53
133a4007555c
141d37c7d503
1510a623ce56
hex95d6b2f5f

40222011231 has 48 divisors (see below), whose sum is σ = 62016454656. Its totient is φ = 25061718528.

The previous prime is 40222011217. The next prime is 40222011233. The reversal of 40222011231 is 13211022204.

It is a happy number.

40222011231 is a `hidden beast` number, since 402 + 2 + 20 + 11 + 231 = 666.

It is not a de Polignac number, because 40222011231 - 210 = 40222010207 is a prime.

It is a super-2 number, since 2×402220112312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6544546 + ... + 6550688.

It is an arithmetic number, because the mean of its divisors is an integer number (1292009472).

Almost surely, 240222011231 is an apocalyptic number.

40222011231 is a deficient number, since it is larger than the sum of its proper divisors (21794443425).

40222011231 is a wasteful number, since it uses less digits than its factorization.

40222011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892 (or 6889 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40222011231 its reverse (13211022204), we get a palindrome (53433033435).

The spelling of 40222011231 in words is "forty billion, two hundred twenty-two million, eleven thousand, two hundred thirty-one".

Divisors: 1 3 9 23 47 69 141 207 423 673 1081 2019 3243 6057 6143 9729 15479 18429 31631 46437 55287 94893 139311 141289 284679 288721 423867 727513 866163 1271601 2182539 2598489 4134239 6547617 6640583 12402717 19921749 37208151 59765247 95087497 194309233 285262491 582927699 855787473 1748783097 4469112359 13407337077 40222011231