225252267540 has 48 divisors (see below), whose sum is σ = 630955967040. Its totient is φ = 60043498240.

The previous prime is 225252267529. The next prime is 225252267577. The reversal of 225252267540 is 45762252522.

It is a junction number, because it is equal to n+sod(n) for n = 225252267492 and 225252267501.

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, 589785 + ... + 893504.

It is an arithmetic number, because the mean of its divisors is an integer number (13144915980).

Almost surely, 2^225252267540 is an apocalyptic number.

225252267540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225252267540 is an abundant number, since it is smaller than the sum of its proper divisors (405703699500).

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

225252267540 is a wasteful number, since it uses less digits than its factorization.

225252267540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485832 (or 1485830 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 225252267540 in words is "two hundred twenty-five billion, two hundred fifty-two million, two hundred sixty-seven thousand, five hundred forty".