2225340333520 has 80 divisors (see below), whose sum is σ = 5479107595920. Its totient is φ = 837646221312.

The previous prime is 2225340333511. The next prime is 2225340333547. The reversal of 2225340333520 is 253330435222.

It can be written as a sum of positive squares in 8 ways, for example, as 129493461904 + 2095846871616 = 359852^2 + 1447704^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8952676 + ... + 9197884.

It is an arithmetic number, because the mean of its divisors is an integer number (68488844949).

Almost surely, 2^{2225340333520} is an apocalyptic number.

2225340333520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225340333520 is an abundant number, since it is smaller than the sum of its proper divisors (3253767262400).

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

2225340333520 is a wasteful number, since it uses less digits than its factorization.

2225340333520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251912 (or 251906 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 2225340333520 its reverse (253330435222), we get a palindrome (2478670768742).

The spelling of 2225340333520 in words is "two trillion, two hundred twenty-five billion, three hundred forty million, three hundred thirty-three thousand, five hundred twenty".