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22064443 = 139181877
BaseRepresentation
bin101010000101…
…0110100111011
31112111222201121
41110022310323
521122030233
62104530111
7355354552
oct124126473
945458647
1022064443
1111500385
127480937
134756cab
142d04d99
151e0c92d
hex150ad3b

22064443 has 8 divisors (see below), whose sum is σ = 22371440. Its totient is φ = 21759840.

The previous prime is 22064423. The next prime is 22064459. The reversal of 22064443 is 34446022.

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 22064443 - 25 = 22064411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22064423) 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, 24721 + ... + 25597.

It is an arithmetic number, because the mean of its divisors is an integer number (2796430).

Almost surely, 222064443 is an apocalyptic number.

22064443 is a deficient number, since it is larger than the sum of its proper divisors (306997).

22064443 is a wasteful number, since it uses less digits than its factorization.

22064443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 22064443 is about 4697.2803833708. The cubic root of 22064443 is about 280.4772600276.

The spelling of 22064443 in words is "twenty-two million, sixty-four thousand, four hundred forty-three".

Divisors: 1 139 181 877 25159 121903 158737 22064443