1220334 has 32 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 376992.

The previous prime is 1220333. The next prime is 1220347. The reversal of 1220334 is 4330221.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4987 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1220334 is an apocalyptic number.

1220334 is an abundant number, since it is smaller than the sum of its proper divisors (1406226).

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

1220334 is a wasteful number, since it uses less digits than its factorization.

1220334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1220334 is about 1104.6872860679. The cubic root of 1220334 is about 106.8627231888.

Adding to 1220334 its reverse (4330221), we get a palindrome (5550555).

The spelling of 1220334 in words is "one million, two hundred twenty thousand, three hundred thirty-four".