220325001 has 16 divisors (see below), whose sum is σ = 316854720. Its totient is φ = 135374400.

The previous prime is 220324987. The next prime is 220325009. The reversal of 220325001 is 100523022.

It is not a de Polignac number, because 220325001 - 2¹³ = 220316809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220325009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23310 + ... + 31368.

It is an arithmetic number, because the mean of its divisors is an integer number (19803420).

Almost surely, 2^220325001 is an apocalyptic number.

It is an amenable number.

220325001 is a deficient number, since it is larger than the sum of its proper divisors (96529719).

220325001 is a wasteful number, since it uses less digits than its factorization.

220325001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 220325001 is about 14843.3487124705. The cubic root of 220325001 is about 603.9781955274.

Adding to 220325001 its reverse (100523022), we get a palindrome (320848023).

It can be divided in two parts, 220 and 325001, that added together give a triangular number (325221 = T₈₀₆).

The spelling of 220325001 in words is "two hundred twenty million, three hundred twenty-five thousand, one".