42431226 has 16 divisors (see below), whose sum is σ = 84935424. Its totient is φ = 14131584.

The previous prime is 42431209. The next prime is 42431227. The reversal of 42431226 is 62213424.

It is a junction number, because it is equal to n+sod(n) for n = 42431196 and 42431205.

It is not an unprimeable number, because it can be changed into a prime (42431227) 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, 7146 + ... + 11658.

It is an arithmetic number, because the mean of its divisors is an integer number (5308464).

Almost surely, 2^42431226 is an apocalyptic number.

42431226 is an abundant number, since it is smaller than the sum of its proper divisors (42504198).

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

42431226 is a wasteful number, since it uses less digits than its factorization.

42431226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085.

The product of its digits is 2304, while the sum is 24.

The square root of 42431226 is about 6513.9255445545. The cubic root of 42431226 is about 348.7882613692.

The spelling of 42431226 in words is "forty-two million, four hundred thirty-one thousand, two hundred twenty-six".