444002242 has 4 divisors (see below), whose sum is σ = 666003366. Its totient is φ = 222001120.

The previous prime is 444002201. The next prime is 444002249. The reversal of 444002242 is 242200444.

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., 313608681 + 130393561 = 17709^2 + 11419^2 .

It is not an unprimeable number, because it can be changed into a prime (444002249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000559 + ... + 111000562.

Almost surely, 2^444002242 is an apocalyptic number.

444002242 is a deficient number, since it is larger than the sum of its proper divisors (222001124).

444002242 is a wasteful number, since it uses less digits than its factorization.

444002242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222001123.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 444002242 is about 21071.3607059440. The cubic root of 444002242 is about 762.8896466640.

Adding to 444002242 its reverse (242200444), we get a palindrome (686202686).

The spelling of 444002242 in words is "four hundred forty-four million, two thousand, two hundred forty-two".