2450221252 has 24 divisors (see below), whose sum is σ = 4555638360. Its totient is φ = 1150894080.

The previous prime is 2450221229. The next prime is 2450221283. The reversal of 2450221252 is 2521220542.

It can be written as a sum of positive squares in 4 ways, for example, as 497111616 + 1953109636 = 22296^2 + 44194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281149 + ... + 289732.

It is an arithmetic number, because the mean of its divisors is an integer number (189818265).

Almost surely, 2^2450221252 is an apocalyptic number.

It is an amenable number.

2450221252 is a deficient number, since it is larger than the sum of its proper divisors (2105417108).

2450221252 is a wasteful number, since it uses less digits than its factorization.

2450221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570951 (or 570949 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2450221252 is about 49499.7096153099. The cubic root of 2450221252 is about 1348.1403295869.

Adding to 2450221252 its reverse (2521220542), we get a palindrome (4971441794).

It can be divided in two parts, 24502 and 21252, that added together give a palindrome (45754).

The spelling of 2450221252 in words is "two billion, four hundred fifty million, two hundred twenty-one thousand, two hundred fifty-two".