42224822 has 4 divisors (see below), whose sum is σ = 63337236. Its totient is φ = 21112410.

The previous prime is 42224797. The next prime is 42224857. The reversal of 42224822 is 22842224.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42224791 and 42224800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556204 + ... + 10556207.

It is an arithmetic number, because the mean of its divisors is an integer number (15834309).

Almost surely, 2^42224822 is an apocalyptic number.

42224822 is a deficient number, since it is larger than the sum of its proper divisors (21112414).

42224822 is a wasteful number, since it uses less digits than its factorization.

42224822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21112413.

The product of its digits is 4096, while the sum is 26.

The square root of 42224822 is about 6498.0629421390. The cubic root of 42224822 is about 348.2217890802.

The spelling of 42224822 in words is "forty-two million, two hundred twenty-four thousand, eight hundred twenty-two".