228551446 has 4 divisors (see below), whose sum is σ = 342827172. Its totient is φ = 114275722.

The previous prime is 228551443. The next prime is 228551447. The reversal of 228551446 is 644155822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228551443) by changing a digit.

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 as a sum of consecutive naturals, namely, 57137860 + ... + 57137863.

It is an arithmetic number, because the mean of its divisors is an integer number (85706793).

Almost surely, 2^228551446 is an apocalyptic number.

228551446 is a deficient number, since it is larger than the sum of its proper divisors (114275726).

228551446 is a wasteful number, since it uses less digits than its factorization.

228551446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114275725.

The product of its digits is 76800, while the sum is 37.

The square root of 228551446 is about 15117.9180444928. The cubic root of 228551446 is about 611.4035993621.

The spelling of 228551446 in words is "two hundred twenty-eight million, five hundred fifty-one thousand, four hundred forty-six".