213465227 has 4 divisors (see below), whose sum is σ = 214879056. Its totient is φ = 212051400.

The previous prime is 213465221. The next prime is 213465253. The reversal of 213465227 is 722564312.

213465227 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 213465227 - 2¹⁰ = 213464203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213465193 and 213465202.

It is not an unprimeable number, because it can be changed into a prime (213465221) 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, 706688 + ... + 706989.

It is an arithmetic number, because the mean of its divisors is an integer number (53719764).

Almost surely, 2^213465227 is an apocalyptic number.

213465227 is a deficient number, since it is larger than the sum of its proper divisors (1413829).

213465227 is a wasteful number, since it uses less digits than its factorization.

213465227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413828.

The product of its digits is 20160, while the sum is 32.

The square root of 213465227 is about 14610.4492401842. The cubic root of 213465227 is about 597.6437468609.

The spelling of 213465227 in words is "two hundred thirteen million, four hundred sixty-five thousand, two hundred twenty-seven".