2220326125 has 8 divisors (see below), whose sum is σ = 2770967160. Its totient is φ = 1776260800.

The previous prime is 2220326099. The next prime is 2220326131. The reversal of 2220326125 is 5216230222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50722884 + 2169603241 = 7122^2 + 46579^2 .

It is not a de Polignac number, because 2220326125 - 2⁵ = 2220326093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2220326125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8881180 + ... + 8881429.

It is an arithmetic number, because the mean of its divisors is an integer number (346370895).

Almost surely, 2^2220326125 is an apocalyptic number.

2220326125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2220326125 is a deficient number, since it is larger than the sum of its proper divisors (550641035).

2220326125 is an equidigital number, since it uses as much as digits as its factorization.

2220326125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17762624 (or 17762614 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2220326125 is about 47120.3366392898. The cubic root of 2220326125 is about 1304.5846262965.

Adding to 2220326125 its reverse (5216230222), we get a palindrome (7436556347).

The spelling of 2220326125 in words is "two billion, two hundred twenty million, three hundred twenty-six thousand, one hundred twenty-five".