2220400241 has 2 divisors, whose sum is σ = 2220400242. Its totient is φ = 2220400240.

The previous prime is 2220400219. The next prime is 2220400267. The reversal of 2220400241 is 1420040222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2085840241 + 134560000 = 45671^2 + 11600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220400241 - 2⁶ = 2220400177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220400291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110200120 + 1110200121.

It is an arithmetic number, because the mean of its divisors is an integer number (1110200121).

Almost surely, 2^2220400241 is an apocalyptic number.

It is an amenable number.

2220400241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220400241 is an equidigital number, since it uses as much as digits as its factorization.

2220400241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2220400241 is about 47121.1230872101. The cubic root of 2220400241 is about 1304.5991421098.

Adding to 2220400241 its reverse (1420040222), we get a palindrome (3640440463).

The spelling of 2220400241 in words is "two billion, two hundred twenty million, four hundred thousand, two hundred forty-one".