2421220337 has 2 divisors, whose sum is σ = 2421220338. Its totient is φ = 2421220336.

The previous prime is 2421220313. The next prime is 2421220381. The reversal of 2421220337 is 7330221242.

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., 1231729216 + 1189491121 = 35096^2 + 34489^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421220337 - 2¹² = 2421216241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421220397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210610168 + 1210610169.

It is an arithmetic number, because the mean of its divisors is an integer number (1210610169).

Almost surely, 2^2421220337 is an apocalyptic number.

It is an amenable number.

2421220337 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421220337 is an equidigital number, since it uses as much as digits as its factorization.

2421220337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2421220337 is about 49205.8973802938. The cubic root of 2421220337 is about 1342.8003250395.

Adding to 2421220337 its reverse (7330221242), we get a palindrome (9751441579).

The spelling of 2421220337 in words is "two billion, four hundred twenty-one million, two hundred twenty thousand, three hundred thirty-seven".