4220502401 has 4 divisors (see below), whose sum is σ = 4292036400. Its totient is φ = 4148968404.

The previous prime is 4220502379. The next prime is 4220502437. The reversal of 4220502401 is 1042050224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4220502401 - 2²² = 4216308097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220502491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35766911 + ... + 35767028.

It is an arithmetic number, because the mean of its divisors is an integer number (1073009100).

Almost surely, 2^4220502401 is an apocalyptic number.

It is an amenable number.

4220502401 is a deficient number, since it is larger than the sum of its proper divisors (71533999).

4220502401 is an equidigital number, since it uses as much as digits as its factorization.

4220502401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71533998.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4220502401 is about 64965.3938724303. The cubic root of 4220502401 is about 1616.0497159461.

Adding to 4220502401 its reverse (1042050224), we get a palindrome (5262552625).

The spelling of 4220502401 in words is "four billion, two hundred twenty million, five hundred two thousand, four hundred one".