42223895 has 16 divisors (see below), whose sum is σ = 58859328. Its totient is φ = 28477440.

The previous prime is 42223879. The next prime is 42223897. The reversal of 42223895 is 59832224.

It is not a de Polignac number, because 42223895 - 2⁴ = 42223879 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7754 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (3678708).

Almost surely, 2^42223895 is an apocalyptic number.

42223895 is a deficient number, since it is larger than the sum of its proper divisors (16635433).

42223895 is a wasteful number, since it uses less digits than its factorization.

42223895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850.

The product of its digits is 34560, while the sum is 35.

The square root of 42223895 is about 6497.9916127985. The cubic root of 42223895 is about 348.2192407848.

The spelling of 42223895 in words is "forty-two million, two hundred twenty-three thousand, eight hundred ninety-five".