1222486 has 8 divisors (see below), whose sum is σ = 1842624. Its totient is φ = 608280.

The previous prime is 1222483. The next prime is 1222493. The reversal of 1222486 is 6842221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1222486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925 + ... + 1816.

It is an arithmetic number, because the mean of its divisors is an integer number (230328).

2^1222486 is an apocalyptic number.

1222486 is a deficient number, since it is larger than the sum of its proper divisors (620138).

1222486 is a wasteful number, since it uses less digits than its factorization.

1222486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

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

The square root of 1222486 is about 1105.6608883378. The cubic root of 1222486 is about 106.9255020491.

The spelling of 1222486 in words is "one million, two hundred twenty-two thousand, four hundred eighty-six".