2550222000 has 120 divisors (see below), whose sum is σ = 8907138240. Its totient is φ = 680054400.

The previous prime is 2550221977. The next prime is 2550222007. The reversal of 2550222000 is 2220552.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-4 number, since 4×2550222000⁴ (a number of 39 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2550222007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52840 + ... + 88839.

It is an arithmetic number, because the mean of its divisors is an integer number (74226152).

Almost surely, 2^2550222000 is an apocalyptic number.

2550222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550222000 is an abundant number, since it is smaller than the sum of its proper divisors (6356916240).

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

2550222000 is a wasteful number, since it uses less digits than its factorization.

2550222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141708 (or 141689 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2550222000 is about 50499.7227715163. The cubic root of 2550222000 is about 1366.2368534040.

Adding to 2550222000 its reverse (2220552), we get a palindrome (2552442552).

The spelling of 2550222000 in words is "two billion, five hundred fifty million, two hundred twenty-two thousand".