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22105330 = 2513971753
BaseRepresentation
bin101010001010…
…0110011110010
31112121001210221
41110110303302
521124332310
62105443254
7355615012
oct124246362
945531727
1022105330
1111529075
1274a052a
13476c7a0
142d15c42
151e19ada
hex1514cf2

22105330 has 32 divisors (see below), whose sum is σ = 43316784. Its totient is φ = 8073216.

The previous prime is 22105327. The next prime is 22105331. The reversal of 22105330 is 3350122.

It can be written as a sum of positive squares in 8 ways, for example, as 751689 + 21353641 = 867^2 + 4621^2 .

It is a super-2 number, since 2×221053302 = 977291228817800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22105331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11734 + ... + 13486.

Almost surely, 222105330 is an apocalyptic number.

22105330 is a deficient number, since it is larger than the sum of its proper divisors (21211454).

22105330 is a wasteful number, since it uses less digits than its factorization.

22105330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 22105330 is about 4701.6305682178. The cubic root of 22105330 is about 280.6504013032.

Adding to 22105330 its reverse (3350122), we get a palindrome (25455452).

The spelling of 22105330 in words is "twenty-two million, one hundred five thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 97 130 194 485 970 1261 1753 2522 3506 6305 8765 12610 17530 22789 45578 113945 170041 227890 340082 850205 1700410 2210533 4421066 11052665 22105330