42229235 has 4 divisors (see below), whose sum is σ = 50675088. Its totient is φ = 33783384.

The previous prime is 42229217. The next prime is 42229237. The reversal of 42229235 is 53292224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42229235 - 2²⁴ = 25452019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42229198 and 42229207.

It is not an unprimeable number, because it can be changed into a prime (42229237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4222919 + ... + 4222928.

It is an arithmetic number, because the mean of its divisors is an integer number (12668772).

Almost surely, 2^42229235 is an apocalyptic number.

42229235 is a deficient number, since it is larger than the sum of its proper divisors (8445853).

42229235 is an equidigital number, since it uses as much as digits as its factorization.

42229235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445852.

The product of its digits is 8640, while the sum is 29.

The square root of 42229235 is about 6498.4024959985. The cubic root of 42229235 is about 348.2339197745.

The spelling of 42229235 in words is "forty-two million, two hundred twenty-nine thousand, two hundred thirty-five".