2205487 has 2 divisors, whose sum is σ = 2205488. Its totient is φ = 2205486.

The previous prime is 2205481. The next prime is 2205503. The reversal of 2205487 is 7845022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205487 is a prime.

2205487 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102743 + 1102744.

It is an arithmetic number, because the mean of its divisors is an integer number (1102744).

2^2205487 is an apocalyptic number.

2205487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205487 is an equidigital number, since it uses as much as digits as its factorization.

2205487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2205487 is about 1485.0882128682. The cubic root of 2205487 is about 130.1671813606.

The spelling of 2205487 in words is "two million, two hundred five thousand, four hundred eighty-seven".