422444019 has 8 divisors (see below), whose sum is σ = 563470992. Its totient is φ = 281523200.

The previous prime is 422444017. The next prime is 422444023. The reversal of 422444019 is 910444224.

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

It is a cyclic number.

It is not a de Polignac number, because 422444019 - 2¹ = 422444017 is a prime.

It is a super-2 number, since 2×422444019² = 356917898377744722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422444017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16734 + ... + 33539.

It is an arithmetic number, because the mean of its divisors is an integer number (70433874).

Almost surely, 2^422444019 is an apocalyptic number.

422444019 is a deficient number, since it is larger than the sum of its proper divisors (141026973).

422444019 is a wasteful number, since it uses less digits than its factorization.

422444019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53077.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 422444019 is about 20553.4429962476. The cubic root of 422444019 is about 750.3370449560.

The spelling of 422444019 in words is "four hundred twenty-two million, four hundred forty-four thousand, nineteen".