225919259220 has 24 divisors (see below), whose sum is σ = 632573925984. Its totient is φ = 60245135776.

The previous prime is 225919259219. The next prime is 225919259231. The reversal of 225919259220 is 22952919522.

It is a self number, because there is not a number n which added to its sum of digits gives 225919259220.

It is a congruent number.

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, 1882660434 + ... + 1882660553.

It is an arithmetic number, because the mean of its divisors is an integer number (26357246916).

Almost surely, 2^225919259220 is an apocalyptic number.

225919259220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225919259220 is an abundant number, since it is smaller than the sum of its proper divisors (406654666764).

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

225919259220 is a wasteful number, since it uses less digits than its factorization.

225919259220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765320999 (or 3765320997 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 225919259220 in words is "two hundred twenty-five billion, nine hundred nineteen million, two hundred fifty-nine thousand, two hundred twenty".