225131747736 has 96 divisors (see below), whose sum is σ = 656370408240. Its totient is φ = 64161199872.

The previous prime is 225131747689. The next prime is 225131747837. The reversal of 225131747736 is 637747131522.

It is a super-2 number, since 2×225131747736² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225766 + ... + 707978.

Almost surely, 2^225131747736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225131747736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328185204120).

225131747736 is an abundant number, since it is smaller than the sum of its proper divisors (431238660504).

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

225131747736 is a wasteful number, since it uses less digits than its factorization.

225131747736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482633 (or 482622 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The spelling of 225131747736 in words is "two hundred twenty-five billion, one hundred thirty-one million, seven hundred forty-seven thousand, seven hundred thirty-six".