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2213307 = 32317933
BaseRepresentation
bin1000011100010110111011
311011110002100
420130112323
51031311212
6115234443
724545535
oct10342673
94143070
102213307
111281988
128a8a23
135c6565
14418855
152dabdc
hex21c5bb

2213307 has 12 divisors (see below), whose sum is σ = 3300544. Its totient is φ = 1427760.

The previous prime is 2213293. The next prime is 2213311. The reversal of 2213307 is 7033122.

It is not a de Polignac number, because 2213307 - 26 = 2213243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3688 + ... + 4245.

22213307 is an apocalyptic number.

2213307 is a deficient number, since it is larger than the sum of its proper divisors (1087237).

2213307 is a wasteful number, since it uses less digits than its factorization.

2213307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7970 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2213307 is about 1487.7187234151. The cubic root of 2213307 is about 130.3208445737.

Adding to 2213307 its reverse (7033122), we get a palindrome (9246429).

The spelling of 2213307 in words is "two million, two hundred thirteen thousand, three hundred seven".

Divisors: 1 3 9 31 93 279 7933 23799 71397 245923 737769 2213307