442312202 has 4 divisors (see below), whose sum is σ = 663468306. Its totient is φ = 221156100.

The previous prime is 442312193. The next prime is 442312219. The reversal of 442312202 is 202213244.

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., 399160441 + 43151761 = 19979^2 + 6569^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 110578049 + ... + 110578052.

Almost surely, 2^442312202 is an apocalyptic number.

442312202 is a deficient number, since it is larger than the sum of its proper divisors (221156104).

442312202 is a wasteful number, since it uses less digits than its factorization.

442312202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221156103.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442312202 is about 21031.2196983437. The cubic root of 442312202 is about 761.9204673550.

Adding to 442312202 its reverse (202213244), we get a palindrome (644525446).

The spelling of 442312202 in words is "four hundred forty-two million, three hundred twelve thousand, two hundred two".