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22067345 = 55383273
BaseRepresentation
bin101010000101…
…1100010010001
31112112010201002
41110023202101
521122123340
62104551345
7355366166
oct124134221
945463632
1022067345
1111502583
127482555
134758401
142d0606d
151e0d715
hex150b891

22067345 has 8 divisors (see below), whose sum is σ = 26980776. Its totient is φ = 17320576.

The previous prime is 22067333. The next prime is 22067363. The reversal of 22067345 is 54376022.

It can be written as a sum of positive squares in 4 ways, for example, as 4157521 + 17909824 = 2039^2 + 4232^2 .

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 22067345 - 210 = 22066321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41372 + ... + 41901.

It is an arithmetic number, because the mean of its divisors is an integer number (3372597).

Almost surely, 222067345 is an apocalyptic number.

It is an amenable number.

22067345 is a deficient number, since it is larger than the sum of its proper divisors (4913431).

22067345 is an equidigital number, since it uses as much as digits as its factorization.

22067345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83331.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 22067345 is about 4697.5892753624. The cubic root of 22067345 is about 280.4895559695.

The spelling of 22067345 in words is "twenty-two million, sixty-seven thousand, three hundred forty-five".

Divisors: 1 5 53 265 83273 416365 4413469 22067345