2243445552 has 80 divisors (see below), whose sum is σ = 6462785760. Its totient is φ = 745113600.

The previous prime is 2243445527. The next prime is 2243445557. The reversal of 2243445552 is 2555443422.

2243445552 is a `hidden beast` number, since 22 + 43 + 4 + 45 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2243445557) 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, 112152 + ... + 130632.

It is an arithmetic number, because the mean of its divisors is an integer number (80784822).

Almost surely, 2^2243445552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243445552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3231392880).

2243445552 is an abundant number, since it is smaller than the sum of its proper divisors (4219340208).

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

2243445552 is a wasteful number, since it uses less digits than its factorization.

2243445552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18779 (or 18767 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 2243445552 is about 47365.0245645455. The cubic root of 2243445552 is about 1309.0970511707.

Adding to 2243445552 its reverse (2555443422), we get a palindrome (4798888974).

The spelling of 2243445552 in words is "two billion, two hundred forty-three million, four hundred forty-five thousand, five hundred fifty-two".