445641226 has 8 divisors (see below), whose sum is σ = 669523104. Its totient is φ = 222466860.

The previous prime is 445641223. The next prime is 445641299. The reversal of 445641226 is 622146544.

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

It is a super-2 number, since 2×445641226² = 397192204621566152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445641191 and 445641200.

It is not an unprimeable number, because it can be changed into a prime (445641223) 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, 175300 + ... + 177823.

It is an arithmetic number, because the mean of its divisors is an integer number (83690388).

Almost surely, 2^445641226 is an apocalyptic number.

445641226 is a deficient number, since it is larger than the sum of its proper divisors (223881878).

445641226 is a wasteful number, since it uses less digits than its factorization.

445641226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353756.

The product of its digits is 46080, while the sum is 34.

The square root of 445641226 is about 21110.2161523751. The cubic root of 445641226 is about 763.8272008986.

The spelling of 445641226 in words is "four hundred forty-five million, six hundred forty-one thousand, two hundred twenty-six".