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22755001 = 54142061
BaseRepresentation
bin101011011001…
…1011010111001
31120211001222211
41112303122321
521311130001
62131415121
7364262053
oct126633271
946731884
1022755001
1111932195
1277544a1
1349393c9
1430448d3
151ee7351
hex15b36b9

22755001 has 4 divisors (see below), whose sum is σ = 22797604. Its totient is φ = 22712400.

The previous prime is 22754999. The next prime is 22755011. The reversal of 22755001 is 10055722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18020025 + 4734976 = 4245^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 22755001 - 21 = 22754999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22755011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20490 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (5699401).

Almost surely, 222755001 is an apocalyptic number.

It is an amenable number.

22755001 is a deficient number, since it is larger than the sum of its proper divisors (42603).

22755001 is an equidigital number, since it uses as much as digits as its factorization.

22755001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42602.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 22755001 is about 4770.2202255242. The cubic root of 22755001 is about 283.3733164643.

The spelling of 22755001 in words is "twenty-two million, seven hundred fifty-five thousand, one".

Divisors: 1 541 42061 22755001