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22741121 = 131726053
BaseRepresentation
bin101011011000…
…0000010000001
31120210100221202
41112300002001
521310203441
62131230545
7364203434
oct126600201
946710852
1022741121
1111922817
127748455
134932cb0
14303d81b
151ee319b
hex15b0081

22741121 has 12 divisors (see below), whose sum is σ = 26020092. Its totient is φ = 19753728.

The previous prime is 22741099. The next prime is 22741139. The reversal of 22741121 is 12114722.

It can be written as a sum of positive squares in 6 ways, for example, as 547600 + 22193521 = 740^2 + 4711^2 .

It is not a de Polignac number, because 22741121 - 222 = 18546817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22741093 and 22741102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22741151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 731 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (2168341).

Almost surely, 222741121 is an apocalyptic number.

It is an amenable number.

22741121 is a deficient number, since it is larger than the sum of its proper divisors (3278971).

22741121 is a wasteful number, since it uses less digits than its factorization.

22741121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100 (or 6083 counting only the distinct ones).

The product of its digits is 224, while the sum is 20.

The square root of 22741121 is about 4768.7651441437. The cubic root of 22741121 is about 283.3156877900.

Adding to 22741121 its reverse (12114722), we get a palindrome (34855843).

The spelling of 22741121 in words is "twenty-two million, seven hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 13 17 221 289 3757 6053 78689 102901 1337713 1749317 22741121