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22030444 = 2210751473
BaseRepresentation
bin101010000001…
…0100001101100
31112110021002101
41110002201230
521114433234
62104104444
7355153462
oct124024154
945407071
1022030444
1111487887
127465124
134744687
142cd6832
151e02814
hex150286c

22030444 has 12 divisors (see below), whose sum is σ = 38914344. Its totient is φ = 10912064.

The previous prime is 22030439. The next prime is 22030483. The reversal of 22030444 is 44403022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25309 + ... + 26164.

It is an arithmetic number, because the mean of its divisors is an integer number (3242862).

Almost surely, 222030444 is an apocalyptic number.

It is an amenable number.

22030444 is a deficient number, since it is larger than the sum of its proper divisors (16883900).

22030444 is a wasteful number, since it uses less digits than its factorization.

22030444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51584 (or 51582 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22030444 is about 4693.6599791634. The cubic root of 22030444 is about 280.3331239240. Note that the first 3 decimals are identical.

Adding to 22030444 its reverse (44403022), we get a palindrome (66433466).

The spelling of 22030444 in words is "twenty-two million, thirty thousand, four hundred forty-four".

Divisors: 1 2 4 107 214 428 51473 102946 205892 5507611 11015222 22030444