225513357400 has 48 divisors (see below), whose sum is σ = 524956021200. Its totient is φ = 90095671680.

The previous prime is 225513357383. The next prime is 225513357451. The reversal of 225513357400 is 4753315522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225513357400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520435 + ... + 849634.

It is an arithmetic number, because the mean of its divisors is an integer number (10936583775).

Almost surely, 2^225513357400 is an apocalyptic number.

225513357400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225513357400 is an abundant number, since it is smaller than the sum of its proper divisors (299442663800).

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

225513357400 is a wasteful number, since it uses less digits than its factorization.

225513357400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370908 (or 1370899 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 225513357400 in words is "two hundred twenty-five billion, five hundred thirteen million, three hundred fifty-seven thousand, four hundred".