2265720216252 has 48 divisors (see below), whose sum is σ = 5322531060000. Its totient is φ = 750119269120.

The previous prime is 2265720216239. The next prime is 2265720216269. The reversal of 2265720216252 is 2526120275622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32415502 + ... + 32485322.

It is an arithmetic number, because the mean of its divisors is an integer number (110886063750).

Almost surely, 2^{2265720216252} is an apocalyptic number.

It is an amenable number.

2265720216252 is an abundant number, since it is smaller than the sum of its proper divisors (3056810843748).

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

2265720216252 is a wasteful number, since it uses less digits than its factorization.

2265720216252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88126 (or 88124 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 2265720216252 in words is "two trillion, two hundred sixty-five billion, seven hundred twenty million, two hundred sixteen thousand, two hundred fifty-two".