1641824226 has 48 divisors (see below), whose sum is σ = 4242236544. Its totient is φ = 448696512.

The previous prime is 1641824221. The next prime is 1641824251. The reversal of 1641824226 is 6224281461.

1641824226 is a `hidden beast` number, since 1 + 641 + 8 + 2 + 4 + 2 + 2 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (1641824221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280371 + ... + 286166.

It is an arithmetic number, because the mean of its divisors is an integer number (88379928).

Almost surely, 2^1641824226 is an apocalyptic number.

1641824226 is an abundant number, since it is smaller than the sum of its proper divisors (2600412318).

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

1641824226 is a wasteful number, since it uses less digits than its factorization.

1641824226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566575 (or 566572 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 1641824226 is about 40519.4302279783. The cubic root of 1641824226 is about 1179.7107942973.

The spelling of 1641824226 in words is "one billion, six hundred forty-one million, eight hundred twenty-four thousand, two hundred twenty-six".