228605122 has 4 divisors (see below), whose sum is σ = 342907686. Its totient is φ = 114302560.

The previous prime is 228605089. The next prime is 228605149. The reversal of 228605122 is 221506822.

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

It can be written as a sum of positive squares in only one way, i.e., 227436561 + 1168561 = 15081^2 + 1081^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57151279 + ... + 57151282.

Almost surely, 2^228605122 is an apocalyptic number.

228605122 is a deficient number, since it is larger than the sum of its proper divisors (114302564).

228605122 is a wasteful number, since it uses less digits than its factorization.

228605122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114302563.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 228605122 is about 15119.6931847177. The cubic root of 228605122 is about 611.4514589453.

The spelling of 228605122 in words is "two hundred twenty-eight million, six hundred five thousand, one hundred twenty-two".