442022000242 has 4 divisors (see below), whose sum is σ = 663033000366. Its totient is φ = 221011000120.

The previous prime is 442022000237. The next prime is 442022000309. The reversal of 442022000242 is 242000220244.

It is a happy number.

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., 372611355561 + 69410644681 = 610419^2 + 263459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505500059 + ... + 110505500062.

Almost surely, 2^442022000242 is an apocalyptic number.

442022000242 is a deficient number, since it is larger than the sum of its proper divisors (221011000124).

442022000242 is a wasteful number, since it uses less digits than its factorization.

442022000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221011000123.

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

Adding to 442022000242 its reverse (242000220244), we get a palindrome (684022220486).

The spelling of 442022000242 in words is "four hundred forty-two billion, twenty-two million, two hundred forty-two", and thus it is an aban number.