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2223061 = 4159919
BaseRepresentation
bin1000011110101111010101
311011221110121
420132233111
51032114221
6115351541
724616141
oct10365725
94157417
102223061
111289245
128b25b1
135cab29
1441c221
152dda41
hex21ebd5

2223061 has 8 divisors (see below), whose sum is σ = 2318400. Its totient is φ = 2129760.

The previous prime is 2223059. The next prime is 2223079. The reversal of 2223061 is 1603222.

Adding to 2223061 its reverse (1603222), we get a palindrome (3826283).

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 2223061 - 21 = 2223059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223031) 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, 1960 + ... + 2878.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

22223061 is an apocalyptic number.

It is an amenable number.

2223061 is a deficient number, since it is larger than the sum of its proper divisors (95339).

2223061 is an equidigital number, since it uses as much as digits as its factorization.

2223061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2223061 is about 1490.9932930768. The cubic root of 2223061 is about 130.5120044936.

The spelling of 2223061 in words is "two million, two hundred twenty-three thousand, sixty-one".

Divisors: 1 41 59 919 2419 37679 54221 2223061