2225531302520 has 32 divisors (see below), whose sum is σ = 5028223234320. Its totient is φ = 886518689280.

The previous prime is 2225531302507. The next prime is 2225531302529. The reversal of 2225531302520 is 252031355222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225531302529) 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, 115422482 + ... + 115441761.

Almost surely, 2^{2225531302520} is an apocalyptic number.

2225531302520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225531302520 is an abundant number, since it is smaller than the sum of its proper divisors (2802691931800).

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

2225531302520 is a wasteful number, since it uses less digits than its factorization.

2225531302520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230864495 (or 230864491 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 2225531302520 its reverse (252031355222), we get a palindrome (2477562657742).

The spelling of 2225531302520 in words is "two trillion, two hundred twenty-five billion, five hundred thirty-one million, three hundred two thousand, five hundred twenty".