42235867 has 4 divisors (see below), whose sum is σ = 42544296. Its totient is φ = 41927440.

The previous prime is 42235819. The next prime is 42235901. The reversal of 42235867 is 76853224.

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 42235867 - 2²³ = 33847259 is a prime.

It is a super-2 number, since 2×42235867² = 3567736922483378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42235267) 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, 154009 + ... + 154282.

It is an arithmetic number, because the mean of its divisors is an integer number (10636074).

Almost surely, 2^42235867 is an apocalyptic number.

42235867 is a deficient number, since it is larger than the sum of its proper divisors (308429).

42235867 is a wasteful number, since it uses less digits than its factorization.

42235867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308428.

The product of its digits is 80640, while the sum is 37.

The square root of 42235867 is about 6498.9127552230. The cubic root of 42235867 is about 348.2521485874.

The spelling of 42235867 in words is "forty-two million, two hundred thirty-five thousand, eight hundred sixty-seven".