228627461 has 4 divisors (see below), whose sum is σ = 228770124. Its totient is φ = 228484800.

The previous prime is 228627409. The next prime is 228627467. The reversal of 228627461 is 164726822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63504961 + 165122500 = 7969^2 + 12850^2 .

It is a cyclic number.

It is not a de Polignac number, because 228627461 - 2¹⁴ = 228611077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228627467) 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, 68900 + ... + 72141.

It is an arithmetic number, because the mean of its divisors is an integer number (57192531).

Almost surely, 2^228627461 is an apocalyptic number.

It is an amenable number.

228627461 is a deficient number, since it is larger than the sum of its proper divisors (142663).

228627461 is a wasteful number, since it uses less digits than its factorization.

228627461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142662.

The product of its digits is 64512, while the sum is 38.

The square root of 228627461 is about 15120.4319052069. The cubic root of 228627461 is about 611.4713750480.

The spelling of 228627461 in words is "two hundred twenty-eight million, six hundred twenty-seven thousand, four hundred sixty-one".