2543220022 has 8 divisors (see below), whose sum is σ = 4359805776. Its totient is φ = 1089951432.

The previous prime is 2543220019. The next prime is 2543220041. The reversal of 2543220022 is 2200223452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2543219975 and 2543220002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90829273 + ... + 90829300.

It is an arithmetic number, because the mean of its divisors is an integer number (544975722).

Almost surely, 2^2543220022 is an apocalyptic number.

2543220022 is a deficient number, since it is larger than the sum of its proper divisors (1816585754).

2543220022 is a wasteful number, since it uses less digits than its factorization.

2543220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181658582.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2543220022 is about 50430.3482240605. The cubic root of 2543220022 is about 1364.9853115103.

Adding to 2543220022 its reverse (2200223452), we get a palindrome (4743443474).

It can be divided in two parts, 25432 and 20022, that added together give a palindrome (45454).

The spelling of 2543220022 in words is "two billion, five hundred forty-three million, two hundred twenty thousand, twenty-two".