442446002 has 4 divisors (see below), whose sum is σ = 663669006. Its totient is φ = 221223000.

The previous prime is 442445911. The next prime is 442446007. The reversal of 442446002 is 200644244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 417834481 + 24611521 = 20441^2 + 4961^2 .

It is not an unprimeable number, because it can be changed into a prime (442446007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110611499 + ... + 110611502.

Almost surely, 2^442446002 is an apocalyptic number.

442446002 is a deficient number, since it is larger than the sum of its proper divisors (221223004).

442446002 is a wasteful number, since it uses less digits than its factorization.

442446002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221223003.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 442446002 is about 21034.4004430837. The cubic root of 442446002 is about 761.9972869108.

The spelling of 442446002 in words is "four hundred forty-two million, four hundred forty-six thousand, two".