228442575 has 12 divisors (see below), whose sum is σ = 377691848. Its totient is φ = 121836000.

The previous prime is 228442553. The next prime is 228442633. The reversal of 228442575 is 575244822.

It is not a de Polignac number, because 228442575 - 2¹³ = 228434383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1522876 + ... + 1523025.

Almost surely, 2^228442575 is an apocalyptic number.

228442575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228442575 is a deficient number, since it is larger than the sum of its proper divisors (149249273).

228442575 is a wasteful number, since it uses less digits than its factorization.

228442575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045914 (or 3045909 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 228442575 is about 15114.3168883016. The cubic root of 228442575 is about 611.3065027791.

The spelling of 228442575 in words is "two hundred twenty-eight million, four hundred forty-two thousand, five hundred seventy-five".