2486221 has 2 divisors, whose sum is σ = 2486222. Its totient is φ = 2486220.

The previous prime is 2486219. The next prime is 2486243. The reversal of 2486221 is 1226842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 1022121 = 1210^2 + 1011^2 .

It is a cyclic number.

It is not a de Polignac number, because 2486221 - 2¹ = 2486219 is a prime.

Together with 2486219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2486251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243110 + 1243111.

It is an arithmetic number, because the mean of its divisors is an integer number (1243111).

2^2486221 is an apocalyptic number.

It is an amenable number.

2486221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2486221 is an equidigital number, since it uses as much as digits as its factorization.

2486221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

The square root of 2486221 is about 1576.7755071664. The cubic root of 2486221 is about 135.4710749204.

The spelling of 2486221 in words is "two million, four hundred eighty-six thousand, two hundred twenty-one".