42224646 has 16 divisors (see below), whose sum is σ = 84802608. Its totient is φ = 14016000.

The previous prime is 42224641. The next prime is 42224647. The reversal of 42224646 is 64642224.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13155 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (5300163).

Almost surely, 2^42224646 is an apocalyptic number.

42224646 is an abundant number, since it is smaller than the sum of its proper divisors (42577962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42224646 is a wasteful number, since it uses less digits than its factorization.

42224646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29447.

The product of its digits is 18432, while the sum is 30.

The square root of 42224646 is about 6498.0493996276. The cubic root of 42224646 is about 348.2213052643.

The spelling of 42224646 in words is "forty-two million, two hundred twenty-four thousand, six hundred forty-six".