442062226 has 8 divisors (see below), whose sum is σ = 665559180. Its totient is φ = 220209168.

The previous prime is 442062221. The next prime is 442062293. The reversal of 442062226 is 622260244.

It can be written as a sum of positive squares in 2 ways, for example, as 437855625 + 4206601 = 20925^2 + 2051^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 442062194 and 442062203.

It is not an unprimeable number, because it can be changed into a prime (442062221) 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, 410301 + ... + 411376.

Almost surely, 2^442062226 is an apocalyptic number.

442062226 is a deficient number, since it is larger than the sum of its proper divisors (223496954).

442062226 is a wasteful number, since it uses less digits than its factorization.

442062226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821948.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 442062226 is about 21025.2758840401. The cubic root of 442062226 is about 761.7769053178.

The spelling of 442062226 in words is "four hundred forty-two million, sixty-two thousand, two hundred twenty-six".