42422619 has 8 divisors (see below), whose sum is σ = 56635200. Its totient is φ = 28245896.

The previous prime is 42422587. The next prime is 42422641. The reversal of 42422619 is 91622424.

42422619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42422619 - 2⁵ = 42422587 is a prime.

It is a super-2 number, since 2×42422619² = 3599357205638322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42422669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6069 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (7079400).

Almost surely, 2^42422619 is an apocalyptic number.

42422619 is a deficient number, since it is larger than the sum of its proper divisors (14212581).

42422619 is a wasteful number, since it uses less digits than its factorization.

42422619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17929.

The product of its digits is 6912, while the sum is 30.

The square root of 42422619 is about 6513.2648495206. The cubic root of 42422619 is about 348.7646763521.

The spelling of 42422619 in words is "forty-two million, four hundred twenty-two thousand, six hundred nineteen".