2220543450 has 96 divisors (see below), whose sum is σ = 6134934720. Its totient is φ = 590587200.

The previous prime is 2220543449. The next prime is 2220543461. The reversal of 2220543450 is 543450222.

It is a happy number.

2220543450 is a `hidden beast` number, since 2 + 2 + 205 + 4 + 3 + 450 = 666.

2220543450 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 (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 566397 + ... + 570303.

It is an arithmetic number, because the mean of its divisors is an integer number (63905570).

Almost surely, 2^2220543450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220543450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3067467360).

2220543450 is an abundant number, since it is smaller than the sum of its proper divisors (3914391270).

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

2220543450 is a wasteful number, since it uses less digits than its factorization.

2220543450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2220543450 is about 47122.6426466089. The cubic root of 2220543450 is about 1304.6271890536.

Adding to 2220543450 its reverse (543450222), we get a palindrome (2763993672).

The spelling of 2220543450 in words is "two billion, two hundred twenty million, five hundred forty-three thousand, four hundred fifty".