442036722 has 8 divisors (see below), whose sum is σ = 884073456. Its totient is φ = 147345572.

The previous prime is 442036711. The next prime is 442036733. The reversal of 442036722 is 227630244.

It is an interprime number because it is at equal distance from previous prime (442036711) and next prime (442036733).

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

442036722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 442036722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36836388 + ... + 36836399.

It is an arithmetic number, because the mean of its divisors is an integer number (110509182).

Almost surely, 2^442036722 is an apocalyptic number.

442036722 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.

442036722 is a wasteful number, since it uses less digits than its factorization.

442036722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73672792.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 442036722 is about 21024.6693671981. The cubic root of 442036722 is about 761.7622552447.

Adding to 442036722 its reverse (227630244), we get a palindrome (669666966).

The spelling of 442036722 in words is "four hundred forty-two million, thirty-six thousand, seven hundred twenty-two".