227426772560 has 160 divisors (see below), whose sum is σ = 573280391040. Its totient is φ = 83408984064.

The previous prime is 227426772511. The next prime is 227426772563. The reversal of 227426772560 is 65277624722.

It is a junction number, because it is equal to n+sod(n) for n = 227426772499 and 227426772508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227426772563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109181279 + ... + 109183361.

It is an arithmetic number, because the mean of its divisors is an integer number (3583002444).

Almost surely, 2^227426772560 is an apocalyptic number.

227426772560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227426772560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286640195520).

227426772560 is an abundant number, since it is smaller than the sum of its proper divisors (345853618480).

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

227426772560 is a wasteful number, since it uses less digits than its factorization.

227426772560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 227426772560 in words is "two hundred twenty-seven billion, four hundred twenty-six million, seven hundred seventy-two thousand, five hundred sixty".