Search a number
-
+
22014531 = 3371110589
BaseRepresentation
bin101001111111…
…0101001000011
31112102110021000
41103332221003
521113431111
62103503043
7355056210
oct123765103
945373230
1022014531
1111476930
127457a83
13473a366
142cd0b07
151decc56
hex14fea43

22014531 has 32 divisors (see below), whose sum is σ = 40665600. Its totient is φ = 11435040.

The previous prime is 22014527. The next prime is 22014563. The reversal of 22014531 is 13541022.

It is not a de Polignac number, because 22014531 - 22 = 22014527 is a prime.

It is a super-2 number, since 2×220145312 = 969279150299922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22014131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3216 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (1270800).

Almost surely, 222014531 is an apocalyptic number.

22014531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22014531 is a deficient number, since it is larger than the sum of its proper divisors (18651069).

22014531 is a wasteful number, since it uses less digits than its factorization.

22014531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616 (or 10610 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22014531 is about 4691.9645139323. The cubic root of 22014531 is about 280.2656110540.

Adding to 22014531 its reverse (13541022), we get a palindrome (35555553).

The spelling of 22014531 in words is "twenty-two million, fourteen thousand, five hundred thirty-one".

Divisors: 1 3 7 9 11 21 27 33 63 77 99 189 231 297 693 2079 10589 31767 74123 95301 116479 222369 285903 349437 667107 815353 1048311 2001321 2446059 3144933 7338177 22014531