1220262 has 16 divisors (see below), whose sum is σ = 2525040. Its totient is φ = 392672.

The previous prime is 1220257. The next prime is 1220309. The reversal of 1220262 is 2620221.

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, 3333 + ... + 3680.

It is an arithmetic number, because the mean of its divisors is an integer number (157815).

2^1220262 is an apocalyptic number.

1220262 is an abundant number, since it is smaller than the sum of its proper divisors (1304778).

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

1220262 is a wasteful number, since it uses less digits than its factorization.

1220262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1220262 is about 1104.6546971792. The cubic root of 1220262 is about 106.8606215054.

Adding to 1220262 its reverse (2620221), we get a palindrome (3840483).

The spelling of 1220262 in words is "one million, two hundred twenty thousand, two hundred sixty-two".