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22260121 = 132337349
BaseRepresentation
bin101010011101…
…0100110011001
31112212221010221
41110322212121
521144310441
62113040041
7360131212
oct124724631
945787127
1022260121
11116243a4
127556021
1347c5090
142d56409
151e4a8d1
hex153a999

22260121 has 8 divisors (see below), whose sum is σ = 24078600. Its totient is φ = 20456832.

The previous prime is 22260107. The next prime is 22260127. The reversal of 22260121 is 12106222.

It can be written as a sum of positive squares in 4 ways, for example, as 404496 + 21855625 = 636^2 + 4675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22260121 - 211 = 22258073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22260095 and 22260104.

It is not an unprimeable number, because it can be changed into a prime (22260127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (3009825).

Almost surely, 222260121 is an apocalyptic number.

It is an amenable number.

22260121 is a deficient number, since it is larger than the sum of its proper divisors (1818479).

22260121 is a wasteful number, since it uses less digits than its factorization.

22260121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22260121 is about 4718.0632679098. The cubic root of 22260121 is about 281.3039563312.

Adding to 22260121 its reverse (12106222), we get a palindrome (34366343).

The spelling of 22260121 in words is "twenty-two million, two hundred sixty thousand, one hundred twenty-one".

Divisors: 1 13 233 3029 7349 95537 1712317 22260121