2552222320 has 80 divisors (see below), whose sum is σ = 6003642528. Its totient is φ = 1008967680.

The previous prime is 2552222311. The next prime is 2552222327. The reversal of 2552222320 is 232222552.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552222327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3693175 + ... + 3693865.

Almost surely, 2^2552222320 is an apocalyptic number.

2552222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3001821264).

2552222320 is an abundant number, since it is smaller than the sum of its proper divisors (3451420208).

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

2552222320 is a wasteful number, since it uses less digits than its factorization.

2552222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2552222320 is about 50519.5241466109. The cubic root of 2552222320 is about 1366.5939722058.

Adding to 2552222320 its reverse (232222552), we get a palindrome (2784444872).

The spelling of 2552222320 in words is "two billion, five hundred fifty-two million, two hundred twenty-two thousand, three hundred twenty".