220310001 has 6 divisors (see below), whose sum is σ = 318225570. Its totient is φ = 146873328.

The previous prime is 220309993. The next prime is 220310023. The reversal of 220310001 is 100013022.

It is a happy number.

220310001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219010401 + 1299600 = 14799^2 + 1140^2 .

It is not a de Polignac number, because 220310001 - 2³ = 220309993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 24478889 = 220310001 / (2 + 2 + 0 + 3 + 1 + 0 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (220310401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12239436 + ... + 12239453.

It is an arithmetic number, because the mean of its divisors is an integer number (53037595).

Almost surely, 2^220310001 is an apocalyptic number.

It is an amenable number.

220310001 is a deficient number, since it is larger than the sum of its proper divisors (97915569).

220310001 is a wasteful number, since it uses less digits than its factorization.

220310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24478895 (or 24478892 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 220310001 is about 14842.8434270526. The cubic root of 220310001 is about 603.9644886875.

Adding to 220310001 its reverse (100013022), we get a palindrome (320323023).

The spelling of 220310001 in words is "two hundred twenty million, three hundred ten thousand, one".