42226131 has 8 divisors (see below), whose sum is σ = 56414160. Its totient is φ = 28094432.

The previous prime is 42226099. The next prime is 42226141. The reversal of 42226131 is 13162224.

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 42226131 - 2⁵ = 42226099 is a prime.

It is a super-2 number, since 2×42226131² = 3566092278458322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42226098 and 42226107.

It is not an unprimeable number, because it can be changed into a prime (42226141) 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, 12300 + ... + 15353.

It is an arithmetic number, because the mean of its divisors is an integer number (7051770).

Almost surely, 2^42226131 is an apocalyptic number.

42226131 is a deficient number, since it is larger than the sum of its proper divisors (14188029).

42226131 is a wasteful number, since it uses less digits than its factorization.

42226131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28165.

The product of its digits is 576, while the sum is 21.

The square root of 42226131 is about 6498.1636636822. The cubic root of 42226131 is about 348.2253874188.

Adding to 42226131 its reverse (13162224), we get a palindrome (55388355).

The spelling of 42226131 in words is "forty-two million, two hundred twenty-six thousand, one hundred thirty-one".