2541226220 has 24 divisors (see below), whose sum is σ = 5747081424. Its totient is φ = 938298816.

The previous prime is 2541226213. The next prime is 2541226223. The reversal of 2541226220 is 226221452.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2541226220.

It is not an unprimeable number, because it can be changed into a prime (2541226223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4886714 + ... + 4887233.

It is an arithmetic number, because the mean of its divisors is an integer number (239461726).

Almost surely, 2^2541226220 is an apocalyptic number.

2541226220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541226220 is an abundant number, since it is smaller than the sum of its proper divisors (3205855204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541226220 is a wasteful number, since it uses less digits than its factorization.

2541226220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9773969 (or 9773967 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2541226220 is about 50410.5764696259. The cubic root of 2541226220 is about 1364.6285168534.

Adding to 2541226220 its reverse (226221452), we get a palindrome (2767447672).

The spelling of 2541226220 in words is "two billion, five hundred forty-one million, two hundred twenty-six thousand, two hundred twenty".