227972736 has 48 divisors (see below), whose sum is σ = 656018610. Its totient is φ = 75990528.

The previous prime is 227972687. The next prime is 227972761. The reversal of 227972736 is 637279722.

It can be written as a sum of positive squares in only one way, i.e., 164865600 + 63107136 = 12840^2 + 7944^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 227972691 and 227972700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97795 + ... + 100098.

Almost surely, 2^227972736 is an apocalyptic number.

It is an amenable number.

227972736 is an abundant number, since it is smaller than the sum of its proper divisors (428045874).

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

227972736 is a wasteful number, since it uses less digits than its factorization.

227972736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197913 (or 197898 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 227972736 is about 15098.7660422963. The cubic root of 227972736 is about 610.8871227413.

The spelling of 227972736 in words is "two hundred twenty-seven million, nine hundred seventy-two thousand, seven hundred thirty-six".