1220241433 has 2 divisors, whose sum is σ = 1220241434. Its totient is φ = 1220241432.

The previous prime is 1220241413. The next prime is 1220241493. The reversal of 1220241433 is 3341420221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142237209 + 78004224 = 33797^2 + 8832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220241433 - 2²¹ = 1218144281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220241403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610120716 + 610120717.

It is an arithmetic number, because the mean of its divisors is an integer number (610120717).

Almost surely, 2^1220241433 is an apocalyptic number.

It is an amenable number.

1220241433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220241433 is an equidigital number, since it uses as much as digits as its factorization.

1220241433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1220241433 is about 34931.9543255169. The cubic root of 1220241433 is about 1068.6002113846.

Adding to 1220241433 its reverse (3341420221), we get a palindrome (4561661654).

It can be divided in two parts, 12202 and 41433, that added together give a palindrome (53635).

The spelling of 1220241433 in words is "one billion, two hundred twenty million, two hundred forty-one thousand, four hundred thirty-three".