1220233 has 8 divisors (see below), whose sum is σ = 1442880. Its totient is φ = 1009680.

The previous prime is 1220203. The next prime is 1220239. The reversal of 1220233 is 3320221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220233 - 2⁹ = 1219721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2803 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (180360).

2^1220233 is an apocalyptic number.

It is an amenable number.

1220233 is a deficient number, since it is larger than the sum of its proper divisors (222647).

1220233 is an equidigital number, since it uses as much as digits as its factorization.

1220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1220233 is about 1104.6415708274. The cubic root of 1220233 is about 106.8597749706.

Adding to 1220233 its reverse (3320221), we get a palindrome (4540454).

The spelling of 1220233 in words is "one million, two hundred twenty thousand, two hundred thirty-three".