2425221252 has 18 divisors (see below), whose sum is σ = 6130420478. Its totient is φ = 808407072.

The previous prime is 2425221247. The next prime is 2425221283. The reversal of 2425221252 is 2521225242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1830641796 + 594579456 = 42786^2 + 24384^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33683593 + ... + 33683664.

Almost surely, 2^2425221252 is an apocalyptic number.

It is an amenable number.

2425221252 is an abundant number, since it is smaller than the sum of its proper divisors (3705199226).

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

2425221252 is a wasteful number, since it uses less digits than its factorization.

2425221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67367267 (or 67367262 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 2425221252 is about 49246.5354314392. The cubic root of 2425221252 is about 1343.5395491672.

Adding to 2425221252 its reverse (2521225242), we get a palindrome (4946446494).

The spelling of 2425221252 in words is "two billion, four hundred twenty-five million, two hundred twenty-one thousand, two hundred fifty-two".