225631848650 has 48 divisors (see below), whose sum is σ = 457679040000. Its totient is φ = 82255642560.

The previous prime is 225631848649. The next prime is 225631848653. The reversal of 225631848650 is 56848136522.

It is a super-2 number, since 2×225631848650² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (225631848653) 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, 2145650 + ... + 2248349.

It is an arithmetic number, because the mean of its divisors is an integer number (9534980000).

Almost surely, 2^225631848650 is an apocalyptic number.

225631848650 is an abundant number, since it is smaller than the sum of its proper divisors (232047191350).

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

225631848650 is a wasteful number, since it uses less digits than its factorization.

225631848650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394103 (or 4394098 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 225631848650 in words is "two hundred twenty-five billion, six hundred thirty-one million, eight hundred forty-eight thousand, six hundred fifty".