1641226 has 8 divisors (see below), whose sum is σ = 2546820. Its totient is φ = 792288.

The previous prime is 1641217. The next prime is 1641229. The reversal of 1641226 is 6221461.

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 81225 = 1249^2 + 285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 1 + 6⁷ + 4¹⁰ + 1 + 2³ + 2¹⁵ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 1641197 and 1641206.

It is not an unprimeable number, because it can be changed into a prime (1641229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14091 + ... + 14206.

2^1641226 is an apocalyptic number.

1641226 is a deficient number, since it is larger than the sum of its proper divisors (905594).

1641226 is a wasteful number, since it uses less digits than its factorization.

1641226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28328.

The product of its digits is 576, while the sum is 22.

The square root of 1641226 is about 1281.1034306409. The cubic root of 1641226 is about 117.9567494466.

Adding to 1641226 its reverse (6221461), we get a palindrome (7862687).

The spelling of 1641226 in words is "one million, six hundred forty-one thousand, two hundred twenty-six".