42224805 has 24 divisors (see below), whose sum is σ = 83645952. Its totient is φ = 19302624.

The previous prime is 42224797. The next prime is 42224857. The reversal of 42224805 is 50842224.

It is a happy number.

It is not a de Polignac number, because 42224805 - 2³ = 42224797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66709 + ... + 67338.

It is an arithmetic number, because the mean of its divisors is an integer number (3485248).

Almost surely, 2^42224805 is an apocalyptic number.

42224805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42224805 is a deficient number, since it is larger than the sum of its proper divisors (41421147).

42224805 is a wasteful number, since it uses less digits than its factorization.

42224805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134065 (or 134062 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 42224805 is about 6498.0616340567. The cubic root of 42224805 is about 348.2217423481.

The spelling of 42224805 in words is "forty-two million, two hundred twenty-four thousand, eight hundred five".