2575722220 has 12 divisors (see below), whose sum is σ = 5409016704. Its totient is φ = 1030288880.

The previous prime is 2575722209. The next prime is 2575722263. The reversal of 2575722220 is 222275752.

2575722220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 64393036 + ... + 64393075.

It is an arithmetic number, because the mean of its divisors is an integer number (450751392).

Almost surely, 2^2575722220 is an apocalyptic number.

2575722220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575722220 is an abundant number, since it is smaller than the sum of its proper divisors (2833294484).

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

2575722220 is a wasteful number, since it uses less digits than its factorization.

2575722220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128786120 (or 128786118 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 2575722220 is about 50751.5735716638. The cubic root of 2575722220 is about 1370.7755248229.

Adding to 2575722220 its reverse (222275752), we get a palindrome (2797997972).

The spelling of 2575722220 in words is "two billion, five hundred seventy-five million, seven hundred twenty-two thousand, two hundred twenty".