1220244433 has 8 divisors (see below), whose sum is σ = 1231464960. Its totient is φ = 1209053040.

The previous prime is 1220244407. The next prime is 1220244449. The reversal of 1220244433 is 3344420221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1220244433 - 2²⁹ = 683373521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220244398 and 1220244407.

It is not an unprimeable number, because it can be changed into a prime (1220241433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81808 + ... + 95566.

It is an arithmetic number, because the mean of its divisors is an integer number (153933120).

Almost surely, 2^1220244433 is an apocalyptic number.

It is an amenable number.

1220244433 is a deficient number, since it is larger than the sum of its proper divisors (11220527).

1220244433 is a wasteful number, since it uses less digits than its factorization.

1220244433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1220244433 is about 34931.9972661169. The cubic root of 1220244433 is about 1068.6010871123.

Adding to 1220244433 its reverse (3344420221), we get a palindrome (4564664654).

The spelling of 1220244433 in words is "one billion, two hundred twenty million, two hundred forty-four thousand, four hundred thirty-three".