228714631 has 4 divisors (see below), whose sum is σ = 230360200. Its totient is φ = 227069064.

The previous prime is 228714623. The next prime is 228714641. The reversal of 228714631 is 136417822.

228714631 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 228714631 - 2³ = 228714623 is a prime.

It is a super-2 number, since 2×228714631² = 104620764866932322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228714641) 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, 822576 + ... + 822853.

It is an arithmetic number, because the mean of its divisors is an integer number (57590050).

Almost surely, 2^228714631 is an apocalyptic number.

228714631 is a deficient number, since it is larger than the sum of its proper divisors (1645569).

228714631 is a wasteful number, since it uses less digits than its factorization.

228714631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645568.

The product of its digits is 16128, while the sum is 34.

The square root of 228714631 is about 15123.3141539809. The cubic root of 228714631 is about 611.5490781473.

The spelling of 228714631 in words is "two hundred twenty-eight million, seven hundred fourteen thousand, six hundred thirty-one".