225776277620 has 48 divisors (see below), whose sum is σ = 499363032000. Its totient is φ = 85509561600.

The previous prime is 225776277611. The next prime is 225776277637. The reversal of 225776277620 is 26772677522.

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, 519431 + ... + 849329.

It is an arithmetic number, because the mean of its divisors is an integer number (10403396500).

Almost surely, 2^225776277620 is an apocalyptic number.

225776277620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225776277620 is an abundant number, since it is smaller than the sum of its proper divisors (273586754380).

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

225776277620 is a wasteful number, since it uses less digits than its factorization.

225776277620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331728 (or 331726 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 53.

The spelling of 225776277620 in words is "two hundred twenty-five billion, seven hundred seventy-six million, two hundred seventy-seven thousand, six hundred twenty".