1776228 has 24 divisors (see below), whose sum is σ = 4388832. Its totient is φ = 557184.

The previous prime is 1776227. The next prime is 1776239. The reversal of 1776228 is 8226771.

1776228 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is not an unprimeable number, because it can be changed into a prime (1776223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150 + ... + 4557.

It is an arithmetic number, because the mean of its divisors is an integer number (182868).

2^1776228 is an apocalyptic number.

It is an amenable number.

1776228 is an abundant number, since it is smaller than the sum of its proper divisors (2612604).

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

1776228 is a wasteful number, since it uses less digits than its factorization.

1776228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731 (or 8729 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 1776228 is about 1332.7520399534. The cubic root of 1776228 is about 121.1061609576.

It can be divided in two parts, 17 and 76228, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 1776228 in words is "one million, seven hundred seventy-six thousand, two hundred twenty-eight".