228280054 has 16 divisors (see below), whose sum is σ = 356043600. Its totient is φ = 109639264.

The previous prime is 228280049. The next prime is 228280067. The reversal of 228280054 is 450082822.

It is a super-2 number, since 2×228280054² = 104223566108485832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228279998 and 228280025.

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 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (22252725).

Almost surely, 2^228280054 is an apocalyptic number.

228280054 is a deficient number, since it is larger than the sum of its proper divisors (127763546).

228280054 is a wasteful number, since it uses less digits than its factorization.

228280054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20207.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 228280054 is about 15108.9395392264. The cubic root of 228280054 is about 611.1615010375.

The spelling of 228280054 in words is "two hundred twenty-eight million, two hundred eighty thousand, fifty-four".