446220466 has 8 divisors (see below), whose sum is σ = 685655964. Its totient is φ = 217668480.

The previous prime is 446220461. The next prime is 446220497. The reversal of 446220466 is 664022644.

It can be written as a sum of positive squares in 2 ways, for example, as 272745225 + 173475241 = 16515^2 + 13171^2 .

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

It is a super-2 number, since 2×446220466² = 398225408554514312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (446220461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720775 + ... + 2720938.

Almost surely, 2^446220466 is an apocalyptic number.

446220466 is a deficient number, since it is larger than the sum of its proper divisors (239435498).

446220466 is a wasteful number, since it uses less digits than its factorization.

446220466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441756.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 446220466 is about 21123.9311208875. The cubic root of 446220466 is about 764.1579959325.

The spelling of 446220466 in words is "four hundred forty-six million, two hundred twenty thousand, four hundred sixty-six".