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".