1223229 has 16 divisors (see below), whose sum is σ = 1925120. Its totient is φ = 676080.

The previous prime is 1223207. The next prime is 1223231. The reversal of 1223229 is 9223221.

It is not a de Polignac number, because 1223229 - 2⁵ = 1223197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

1223229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223279) 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 15 ways as a sum of consecutive naturals, for example, 289 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (120320).

2^1223229 is an apocalyptic number.

It is an amenable number.

1223229 is a deficient number, since it is larger than the sum of its proper divisors (701891).

1223229 is a wasteful number, since it uses less digits than its factorization.

1223229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920.

The product of its digits is 432, while the sum is 21.

The square root of 1223229 is about 1105.9968354385. The cubic root of 1223229 is about 106.9471599818.

The spelling of 1223229 in words is "one million, two hundred twenty-three thousand, two hundred twenty-nine".