225784690208 has 48 divisors (see below), whose sum is σ = 554198791104. Its totient is φ = 87968060160.

The previous prime is 225784690169. The next prime is 225784690237. The reversal of 225784690208 is 802096487522.

It is a self number, because there is not a number n which added to its sum of digits gives 225784690208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45814235 + ... + 45819162.

It is an arithmetic number, because the mean of its divisors is an integer number (11545808148).

Almost surely, 2^225784690208 is an apocalyptic number.

225784690208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225784690208 is an abundant number, since it is smaller than the sum of its proper divisors (328414100896).

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

225784690208 is a wasteful number, since it uses less digits than its factorization.

225784690208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91633425 (or 91633417 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 225784690208 in words is "two hundred twenty-five billion, seven hundred eighty-four million, six hundred ninety thousand, two hundred eight".