42235865 has 16 divisors (see below), whose sum is σ = 58460160. Its totient is φ = 28693440.

The previous prime is 42235819. The next prime is 42235901. The reversal of 42235865 is 56853224.

It is not a de Polignac number, because 42235865 - 2⁶ = 42235801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (3653760).

Almost surely, 2^42235865 is an apocalyptic number.

It is an amenable number.

42235865 is a deficient number, since it is larger than the sum of its proper divisors (16224295).

42235865 is a wasteful number, since it uses less digits than its factorization.

42235865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11192.

The product of its digits is 57600, while the sum is 35.

The square root of 42235865 is about 6498.9126013511. The cubic root of 42235865 is about 348.2521430905.

The spelling of 42235865 in words is "forty-two million, two hundred thirty-five thousand, eight hundred sixty-five".