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22816085 = 54563217
BaseRepresentation
bin101011100001…
…0010101010101
31120221011210012
41113002111111
521320103320
62133010005
7364635125
oct127022525
946834705
1022816085
1111974076
127783905
13495b156
14305cc85
15200a4c5
hex15c2555

22816085 has 4 divisors (see below), whose sum is σ = 27379308. Its totient is φ = 18252864.

The previous prime is 22816061. The next prime is 22816097. The reversal of 22816085 is 58061822.

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 12208036 + 10608049 = 3494^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 22816085 - 26 = 22816021 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2281604 + ... + 2281613.

It is an arithmetic number, because the mean of its divisors is an integer number (6844827).

Almost surely, 222816085 is an apocalyptic number.

It is an amenable number.

22816085 is a deficient number, since it is larger than the sum of its proper divisors (4563223).

22816085 is an equidigital number, since it uses as much as digits as its factorization.

22816085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563222.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 22816085 is about 4776.6185738449. The cubic root of 22816085 is about 283.6266543275.

The spelling of 22816085 in words is "twenty-two million, eight hundred sixteen thousand, eighty-five".

Divisors: 1 5 4563217 22816085