228447051 has 16 divisors (see below), whose sum is σ = 366432000. Its totient is φ = 123670368.

The previous prime is 228447049. The next prime is 228447053. The reversal of 228447051 is 150744822.

It is an interprime number because it is at equal distance from previous prime (228447049) and next prime (228447053).

It is not a de Polignac number, because 228447051 - 2¹ = 228447049 is a prime.

It is a super-2 number, since 2×228447051² = 104376110221193202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228447053) 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 in 15 ways as a sum of consecutive naturals, for example, 285876 + ... + 286673.

It is an arithmetic number, because the mean of its divisors is an integer number (22902000).

Almost surely, 2^228447051 is an apocalyptic number.

228447051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

228447051 is a deficient number, since it is larger than the sum of its proper divisors (137984949).

228447051 is a wasteful number, since it uses less digits than its factorization.

228447051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572578.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 228447051 is about 15114.4649591046. The cubic root of 228447051 is about 611.3104953069.

The spelling of 228447051 in words is "two hundred twenty-eight million, four hundred forty-seven thousand, fifty-one".