228627466 has 4 divisors (see below), whose sum is σ = 342941202. Its totient is φ = 114313732.

The previous prime is 228627409. The next prime is 228627467. The reversal of 228627466 is 664726822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664726822 = 2 ⋅332363411.

It can be written as a sum of positive squares in only one way, i.e., 163098441 + 65529025 = 12771^2 + 8095^2 .

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 as a sum of consecutive naturals, namely, 57156865 + ... + 57156868.

Almost surely, 2^228627466 is an apocalyptic number.

228627466 is a deficient number, since it is larger than the sum of its proper divisors (114313736).

228627466 is a wasteful number, since it uses less digits than its factorization.

228627466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114313735.

The product of its digits is 387072, while the sum is 43.

The square root of 228627466 is about 15120.4320705461. The cubic root of 228627466 is about 611.4713795055.

The spelling of 228627466 in words is "two hundred twenty-eight million, six hundred twenty-seven thousand, four hundred sixty-six".