2203451552 has 48 divisors (see below), whose sum is σ = 4532257800. Its totient is φ = 1053158400.

The previous prime is 2203451531. The next prime is 2203451557. The reversal of 2203451552 is 2551543022.

It can be written as a sum of positive squares in 4 ways, for example, as 2078995216 + 124456336 = 45596^2 + 11156^2 .

It is a super-2 number, since 2×2203451552² = 9710397484022417408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (2203451557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81974 + ... + 105482.

Almost surely, 2^2203451552 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 2203451552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2266128900).

2203451552 is an abundant number, since it is smaller than the sum of its proper divisors (2328806248).

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

2203451552 is a wasteful number, since it uses less digits than its factorization.

2203451552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23649 (or 23641 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2203451552 is about 46940.9368462113. The cubic root of 2203451552 is about 1301.2712519187.

Adding to 2203451552 its reverse (2551543022), we get a palindrome (4754994574).

The spelling of 2203451552 in words is "two billion, two hundred three million, four hundred fifty-one thousand, five hundred fifty-two".