42226719 has 8 divisors (see below), whose sum is σ = 56883120. Its totient is φ = 27860736.

The previous prime is 42226693. The next prime is 42226729. The reversal of 42226719 is 91762224.

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

It is not a de Polignac number, because 42226719 - 2⁵ = 42226687 is a prime.

It is a super-2 number, since 2×42226719² = 3566191595009922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42226719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42226729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72264 + ... + 72845.

It is an arithmetic number, because the mean of its divisors is an integer number (7110390).

Almost surely, 2^42226719 is an apocalyptic number.

42226719 is a deficient number, since it is larger than the sum of its proper divisors (14656401).

42226719 is a wasteful number, since it uses less digits than its factorization.

42226719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145209.

The product of its digits is 12096, while the sum is 33.

The square root of 42226719 is about 6498.2089070759. The cubic root of 42226719 is about 348.2270037605.

The spelling of 42226719 in words is "forty-two million, two hundred twenty-six thousand, seven hundred nineteen".