227985451 has 4 divisors (see below), whose sum is σ = 228060304. Its totient is φ = 227910600.

The previous prime is 227985413. The next prime is 227985491. The reversal of 227985451 is 154589722.

227985451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 227985451 - 2¹⁷ = 227854379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227985398 and 227985407.

It is not an unprimeable number, because it can be changed into a prime (227985491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32655 + ... + 39016.

It is an arithmetic number, because the mean of its divisors is an integer number (57015076).

Almost surely, 2^227985451 is an apocalyptic number.

227985451 is a deficient number, since it is larger than the sum of its proper divisors (74853).

227985451 is an equidigital number, since it uses as much as digits as its factorization.

227985451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74852.

The product of its digits is 201600, while the sum is 43.

The square root of 227985451 is about 15099.1870973241. The cubic root of 227985451 is about 610.8984797797.

The spelling of 227985451 in words is "two hundred twenty-seven million, nine hundred eighty-five thousand, four hundred fifty-one".