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2207389 is a prime number
BaseRepresentation
bin1000011010111010011101
311011010222011
420122322131
51031114024
6115151221
724522352
oct10327235
94133864
102207389
111278498
128a5511
135c3962
14416629
152d9094
hex21ae9d

2207389 has 2 divisors, whose sum is σ = 2207390. Its totient is φ = 2207388.

The previous prime is 2207377. The next prime is 2207411. The reversal of 2207389 is 9837022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2199289 + 8100 = 1483^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207389 - 25 = 2207357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2207389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2207329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103694 + 1103695.

It is an arithmetic number, because the mean of its divisors is an integer number (1103695).

22207389 is an apocalyptic number.

It is an amenable number.

2207389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207389 is an equidigital number, since it uses as much as digits as its factorization.

2207389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2207389 is about 1485.7284408666. The cubic root of 2207389 is about 130.2045890991.

The spelling of 2207389 in words is "two million, two hundred seven thousand, three hundred eighty-nine".