1222460 has 24 divisors (see below), whose sum is σ = 2703120. Its totient is φ = 463104.

The previous prime is 1222433. The next prime is 1222471. The reversal of 1222460 is 642221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (112630).

2^1222460 is an apocalyptic number.

1222460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222460 is an abundant number, since it is smaller than the sum of its proper divisors (1480660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222460 is a wasteful number, since it uses less digits than its factorization.

1222460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1222460 is about 1105.6491306016. The cubic root of 1222460 is about 106.9247440083.

Adding to 1222460 its reverse (642221), we get a palindrome (1864681).

The spelling of 1222460 in words is "one million, two hundred twenty-two thousand, four hundred sixty".