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22104213 = 329325147
BaseRepresentation
bin101010001010…
…0100010010101
31112121000021120
41110110202111
521124313323
62105434153
7355611525
oct124244225
945530246
1022104213
111152824a
12749b959
13476c121
142d15685
151e195e3
hex1514895

22104213 has 8 divisors (see below), whose sum is σ = 29574048. Its totient is φ = 14685264.

The previous prime is 22104211. The next prime is 22104221. The reversal of 22104213 is 31240122.

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

It is not a de Polignac number, because 22104213 - 21 = 22104211 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22104192 and 22104201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11695 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (3696756).

Almost surely, 222104213 is an apocalyptic number.

It is an amenable number.

22104213 is a deficient number, since it is larger than the sum of its proper divisors (7469835).

22104213 is a wasteful number, since it uses less digits than its factorization.

22104213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22104213 is about 4701.5117781412. The cubic root of 22104213 is about 280.6456740605.

Adding to 22104213 its reverse (31240122), we get a palindrome (53344335).

The spelling of 22104213 in words is "twenty-two million, one hundred four thousand, two hundred thirteen".

Divisors: 1 3 293 879 25147 75441 7368071 22104213