442442020022 has 4 divisors (see below), whose sum is σ = 663663030036. Its totient is φ = 221221010010.

The previous prime is 442442019977. The next prime is 442442020057. The reversal of 442442020022 is 220020244244.

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

It is a super-2 number, since 2×442442020022² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442442019973 and 442442020000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610505004 + ... + 110610505007.

It is an arithmetic number, because the mean of its divisors is an integer number (165915757509).

Almost surely, 2^442442020022 is an apocalyptic number.

442442020022 is a deficient number, since it is larger than the sum of its proper divisors (221221010014).

442442020022 is a wasteful number, since it uses less digits than its factorization.

442442020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221221010013.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 442442020022 its reverse (220020244244), we get a palindrome (662462264266).

The spelling of 442442020022 in words is "four hundred forty-two billion, four hundred forty-two million, twenty thousand, twenty-two".