228221676 has 36 divisors (see below), whose sum is σ = 586677000. Its totient is φ = 74783808.

The previous prime is 228221641. The next prime is 228221701. The reversal of 228221676 is 676122822.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×228221676⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 228221676.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51601 + ... + 55848.

Almost surely, 2^228221676 is an apocalyptic number.

It is an amenable number.

228221676 is an abundant number, since it is smaller than the sum of its proper divisors (358455324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228221676 is a wasteful number, since it uses less digits than its factorization.

228221676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107518 (or 107513 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 228221676 is about 15107.0075130715. The cubic root of 228221676 is about 611.1093992043.

The spelling of 228221676 in words is "two hundred twenty-eight million, two hundred twenty-one thousand, six hundred seventy-six".