225745808680 has 96 divisors (see below), whose sum is σ = 616544576640. Its totient is φ = 74033393280.

The previous prime is 225745808579. The next prime is 225745808681. The reversal of 225745808680 is 86808547522.

It is a super-2 number, since 2×225745808680² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225745808681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2458756 + ... + 2548915.

It is an arithmetic number, because the mean of its divisors is an integer number (6422339340).

Almost surely, 2^225745808680 is an apocalyptic number.

225745808680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225745808680 is an abundant number, since it is smaller than the sum of its proper divisors (390798767960).

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

225745808680 is a wasteful number, since it uses less digits than its factorization.

225745808680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007719 (or 5007708 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 55.

The spelling of 225745808680 in words is "two hundred twenty-five billion, seven hundred forty-five million, eight hundred eight thousand, six hundred eighty".