220240441 has 2 divisors, whose sum is σ = 220240442. Its totient is φ = 220240440.

The previous prime is 220240429. The next prime is 220240463. The reversal of 220240441 is 144042022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220077225 + 163216 = 14835^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 220240441 - 2⁵ = 220240409 is a prime.

It is the 14841-st Hogben number.

It is not a weakly prime, because it can be changed into another prime (220240411) by changing a digit.

It is a nontrivial repunit in base 14840.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110120220 + 110120221.

It is an arithmetic number, because the mean of its divisors is an integer number (110120221).

Almost surely, 2^220240441 is an apocalyptic number.

It is an amenable number.

220240441 is a deficient number, since it is larger than the sum of its proper divisors (1).

220240441 is an equidigital number, since it uses as much as digits as its factorization.

220240441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 220240441 is about 14840.5000252687. The cubic root of 220240441 is about 603.9009173683.

Adding to 220240441 its reverse (144042022), we get a palindrome (364282463).

The spelling of 220240441 in words is "two hundred twenty million, two hundred forty thousand, four hundred forty-one".