228551395 has 4 divisors (see below), whose sum is σ = 274261680. Its totient is φ = 182841112.

The previous prime is 228551381. The next prime is 228551413. The reversal of 228551395 is 593155822.

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 228551395 - 2¹⁷ = 228420323 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22855135 + ... + 22855144.

It is an arithmetic number, because the mean of its divisors is an integer number (68565420).

Almost surely, 2^228551395 is an apocalyptic number.

228551395 is a deficient number, since it is larger than the sum of its proper divisors (45710285).

228551395 is an equidigital number, since it uses as much as digits as its factorization.

228551395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45710284.

The product of its digits is 108000, while the sum is 40.

The square root of 228551395 is about 15117.9163577525. The cubic root of 228551395 is about 611.4035538850.

The spelling of 228551395 in words is "two hundred twenty-eight million, five hundred fifty-one thousand, three hundred ninety-five".