442422426 has 8 divisors (see below), whose sum is σ = 884844864. Its totient is φ = 147474140.

The previous prime is 442422419. The next prime is 442422427. The reversal of 442422426 is 624224244.

It is a sphenic number, since it is the product of 3 distinct primes.

442422426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 442422393 and 442422402.

It is not an unprimeable number, because it can be changed into a prime (442422427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36868530 + ... + 36868541.

It is an arithmetic number, because the mean of its divisors is an integer number (110605608).

Almost surely, 2^442422426 is an apocalyptic number.

442422426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442422426 is a wasteful number, since it uses less digits than its factorization.

442422426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73737076.

The product of its digits is 24576, while the sum is 30.

The square root of 442422426 is about 21033.8400203101. The cubic root of 442422426 is about 761.9837521766.

The spelling of 442422426 in words is "four hundred forty-two million, four hundred twenty-two thousand, four hundred twenty-six".