2522322220 has 24 divisors (see below), whose sum is σ = 5778411408. Its totient is φ = 917208000.

The previous prime is 2522322199. The next prime is 2522322233. The reversal of 2522322220 is 222232252.

2522322220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2522322191 and 2522322200.

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, 5732331 + ... + 5732770.

It is an arithmetic number, because the mean of its divisors is an integer number (240767142).

Almost surely, 2^2522322220 is an apocalyptic number.

2522322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522322220 is an abundant number, since it is smaller than the sum of its proper divisors (3256089188).

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

2522322220 is a wasteful number, since it uses less digits than its factorization.

2522322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465121 (or 11465119 counting only the distinct ones).

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

The square root of 2522322220 is about 50222.7261307070. The cubic root of 2522322220 is about 1361.2363001160.

Adding to 2522322220 its reverse (222232252), we get a palindrome (2744554472).

It can be divided in two parts, 252232 and 2220, that added together give a palindrome (254452).

The spelling of 2522322220 in words is "two billion, five hundred twenty-two million, three hundred twenty-two thousand, two hundred twenty".