1228310 has 16 divisors (see below), whose sum is σ = 2232576. Its totient is φ = 486528.

The previous prime is 1228309. The next prime is 1228327. The reversal of 1228310 is 138221.

It is a super-2 number, since 2×1228310² = 3017490912200, which contains 22 as substring.

It is a Curzon number.

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, 587 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (139536).

2^1228310 is an apocalyptic number.

1228310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228310 is a deficient number, since it is larger than the sum of its proper divisors (1004266).

1228310 is a wasteful number, since it uses less digits than its factorization.

1228310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1228310 is about 1108.2914779064. The cubic root of 1228310 is about 107.0950330480.

The spelling of 1228310 in words is "one million, two hundred twenty-eight thousand, three hundred ten".