2104221552 has 20 divisors (see below), whose sum is σ = 5435905800. Its totient is φ = 701407168.

The previous prime is 2104221551. The next prime is 2104221583. The reversal of 2104221552 is 2551224012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104221551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21918927 + ... + 21919022.

It is an arithmetic number, because the mean of its divisors is an integer number (271795290).

Almost surely, 2^2104221552 is an apocalyptic number.

It is an amenable number.

2104221552 is an abundant number, since it is smaller than the sum of its proper divisors (3331684248).

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

2104221552 is a wasteful number, since it uses less digits than its factorization.

2104221552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43837960 (or 43837954 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2104221552 is about 45871.7947327113. The cubic root of 2104221552 is about 1281.4366908701.

Adding to 2104221552 its reverse (2551224012), we get a palindrome (4655445564).

The spelling of 2104221552 in words is "two billion, one hundred four million, two hundred twenty-one thousand, five hundred fifty-two".