4220045441 has 2 divisors, whose sum is σ = 4220045442. Its totient is φ = 4220045440.

The previous prime is 4220045429. The next prime is 4220045477. The reversal of 4220045441 is 1445400224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3982114816 + 237930625 = 63104^2 + 15425^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220045441 - 2²² = 4215851137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4220045441.

It is not a weakly prime, because it can be changed into another prime (4220045491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110022720 + 2110022721.

It is an arithmetic number, because the mean of its divisors is an integer number (2110022721).

Almost surely, 2^4220045441 is an apocalyptic number.

It is an amenable number.

4220045441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220045441 is an equidigital number, since it uses as much as digits as its factorization.

4220045441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 4220045441 is about 64961.8768278750. The cubic root of 4220045441 is about 1615.9913898148.

Adding to 4220045441 its reverse (1445400224), we get a palindrome (5665445665).

The spelling of 4220045441 in words is "four billion, two hundred twenty million, forty-five thousand, four hundred forty-one".